Hewlett-Packard

Blogs: Veep Veep, A Year of CrockPotting, BooMama, and four others.

Payoff: In February, Hewlett-Packard (HP) gave seven bloggers at women's site BlogHer two wireless printers: one for each writer and one for them to raffle to readers.

Disclosure: All of the bloggers published links to a page explaining the deal on BlogHer's site.