Not to add confusion, but I would seriously consider a Lumix (Panasonic) FX3. It is tiny, sleek, and has two features almost none of the other inexpensive p&s's have: Image stabilization and "high sensitivity" mode. Those features will let you take photos from moving vehicles and in other situations where you'll just get blurry shots from most other cameras. You can get an FX3 for $229 at J&R Photo right now:
http://www.jr.com/JRProductPage.process?Product=4126385
Note: I just posted some photos from the FX3's "big brother" - the 10megapixel LX2 - in another thread, but it is twice as expensive -- if you're looking for inexpensive and ultra small/sleek, the FX3 is a great choice! I've owned several Coolpixes and several Canon Elphs (e.g., SD550), and IMHO, these Lumix p&s cameras have both of those lines beat.