No, you do not need a Mac to have a computer work with your iPod Touch. You can use any PC that has the ability to run iTunes to work with your iPod Touch.
No, you do not need a Mac. Apple will sell you an iPod Touch regardless of whether or not you own a Mac. Plus, the iPod Touch works fine with the PC version of iTunes.
Yes, you can facetime from an iphone 4 or a 4th generation iPod Touch (the newest iPod touch that Apple has released) to a mac
You have to plug your iPod into your computer/mac and do it from there.
iChat is not an available feature on the iPod Touch. There is facetime for the new iPod Touch (fourth generation), but iChat is strictly for Mac laptops and desktops.
Yes, the app textplus was made for the iPod touch. If it is on the Appstore for Apple, IT WILL WORK ON AN IPOD TOUCH.
You touch it.
iPhone apps work on iOS devices (iPhone, iPad or iPod Touch) they will not work on a Mac running Mac OS X 10.7 (Lion) or any other Mac OS X version
As long as your iTunes account is the same on your Mac and your iPod Touch you'll be able to buy on your Mac. However if you have different accounts then just sign out of the one on your computer and log into the account you used for your iPod.
because you can be sure that if the ipod was compatible only with mac computers it wont be half as famous... in order to make it accessible to the public in general they had to make it compatible with PCs
You can use FaceTime on a Mac to chat with an iPod Touch (See links below).
threw itunes