A wide range of opinions:
Melissa McEwan: Biden and Shocker: Women Less Enthusiastic Than Men About Biden
Melissa McEwan: Obama's small change
Jesse Taylor: Obama/Biden
Ezra Klein: Winning the argument
Joe Trippi: Stay Loose Joe, Stay Loose
See the comment thread on the Intersection: Obama Picks Joe Biden and also It's 3AM And Joe Biden's Giving Foriegn Policy Advice To Barack Obama
John Lynch: Obama, Biden & the Progressive Future
Ed Brayton: Thoughts on Biden as VP
Greg Laden: Obama will Pick Biden as VP on Saturday. and Obama Picks VP Running Mate
Josh Rosenau: Bidenmania
Pam Spaulding: And Obama's running mate is...Joe Biden, Republicans hail Biden selection, The debut of the Obama/Biden ticket and Quote of the day - John McCain's seven kitchen tables.