http://www.grokdotcom.com/ – Marketing optimization blog focused on improving conversion rates, increasing leads, web analytics, SEO, SEM, social media, testing and customer experience. Allows keywords.
http://www.currybet.net/ – This is a personal blog about information architecture, journalism and digital media.
http://www.sirpi.org/ – Catch the Travel Bug as we focus on great destinations and how to get there!
http://www.midasoracle.org/ – The prediction markets integrate expectations (informed by facts and expertise) much faster than the mass media do. Registration required, but links to your website in profile.
http://weblogtoolscollection.com/ – Blogging tools, plugins, and more.
http://www.eartheasy.com/blog/ – Sustainable Living information, articles and current developments in sustainability, for people looking to live more simply and self-reliantly, and with less impact on the environment. Uses Intense Debate system (registration required) but also allows keywords. Whoever can make this work (I tried using Intense Debate and could only get it to link to my profile, but other profiles are linking to their websites), please let me know.
http://www.socialtimes.com/ – Covering all that’s social on the web – news, applications, social media, OpenSocial and more. Allows keywords.
http://www.themallblog.com/ – Blogging about instantly downloadable digital products and online services. Allows keywords.
http://www.thevirtualhandshake.com/blog/ – Helps you create functional user interfaces.
http://blog.photography.si.edu/ – Photography and the Smithsonian. .EDU site!
http://interactiondesign.sva.edu/ – MFA in interaction design. .EDU site!
http://www.jiscdigitalmedia.ac.uk/blog/ – Digital media. 

Leona Lewis Music, need to register, in comment links follow (jan)
Window Seat Blog (jan)

New Media and Marketing (jan)
Techno Sailor (jan)
Pan Media In comment links only (jan)
Latina A variety of subjects, must register in comment links follow, have to register (jan)
Energy Tribune [News] register, in comment links follow (jan)

E Snips Register, in comment links follow. This is a bookmarking site (jan)
KCNN (jan)
Open Salon Register, in comment links follow (jan)
The Mall Blog (jan)
Double X Register, In comment links follow (jan)

BusinessFinanceMag (jan)
EarthEasy (jan)
Profy
Talk2Action Register, in comment links follow
Wabash College In Comment links follow, edu site

SmugMug
Feld Thoughts [Mix]
Design Bloom [Art] in comment links follow
Dark Roasted Blend name is nofollow but in comment links dofollow
Jeremy Zawodny’s Blog in comment links follow

Java Lobby Register-In comment links follow
Aspen Daily News Register, in comment links follow
Vinnie Lingham in comment links only are dofollow.
Panel Picker
Ace of Spades HQ Politics, In comment links follow

College News [News - College Life] in comment links follow
Lullabot [Software] in comment links follow name does not
AMC TV [Art -Television] need to register In comment links follow
Vegas Popular [Travel]
Black Agenda Report [Society - African American]need to register-In comment links follow

American News Project in comment links follow
Media Cloud (2) [Education - Internet]
Media Cloud [Education - Internet]
The Clash Band [Art - Music] need to register in comment links follow.
The Times of India [News]

Work Bench [Mix] in comment links follow name does not.
Grow Arizona [Education] edu site look around and anytime you see a link on the right that says “full record” you can comment there.
Politicker [Politics] massively spammed. You have to register both name and in comment links are dofollow.
Bitch Magazine [Society - Women]
Gossip Youth [Art - Music] I think they’re a band. You have to register but in comment links follow.

Kdenlive [Software] It’s some sort of video editing thing. Registration required in comment links follow.
Personal Democracy [Politics] I didn’t see a registration or login button but I’m sure there is one, in comment links follow.
Yo-Yoma [Art - Music] Registration and profile page but in comment links follow.
WeTV [Video Sharing] have to register but in comment links follow
Synovel [Software] in comment links follow

TAC [Health] have to register but in comment links follow.
Bezz Media [Computers - Programming]
Interaction Design [Education - Art]
Net Squared [Mix] Some sort of social site but comments follow
Solve Climate [Environment]

Walrus Magazine [Mix]
Philly MC [Society Activism]
1-Up [Hobby Gaming]have to register but in comment links follow
Max Gladwell [Internet - Social Media]
Game Politics [Hobby - Gaming - Politics] have to register but in comment links dofollow.

Citizen’s for Ethics [Politics] in comment links follow
Mike Downey [Computers] he works at Microsoft so I’d guess computers.
Green Peace Blog [Society - Activism]in comment links follow
Anthony Bourdain [Art - Television - Travel]
Future Now [Internet - Internet Marketing]

Currybetdotnet [Mix]
Midas Oracle [Investing]
Weblog Tools [Internet - Blogging]
Social Times [Internet - Social Media]
Social Media Today [Internet - Social Media]