Logo54.com has a small, but cool, selection of logos that you can choose to make for yourself. All you have to do is type in the text that you want to appear in the logo and they will generate it for you. Here are the examples that I did:

It was actually fun to generate those and just for kicks I thought I should do the following two logos:

Yahoo Google
Nintendo Xbox

Okay, I guess that was my amusement for today. ;)