Everyone is practically on Twitter, so it is good to check out the feeds of companies who are tweeting about small business bookkeeping, money and personal finance.
Freshbooks: http://twitter.com/freshbooks
Geezeo: http://twitter.com/geezeo
Harvest: http://twitter.com/harvest
ING Direct: http://twitter.com/ingdirect
Less Accounting: http://twitter.com/lessaccounting
Mint: http://twitter.com/mint
Outright: http://twitter.com/outright
Shoeboxed: http://twitter.com/shoeboxed
Wesabe: http://twitter.com/wesabe
WSJ Wallet: http://twitter.com/WSJWallet
BTW, I am on Twitter, and you can follow me at niche where I tweet about cupcakes, money, media, tech, events, and food.