I have been considering the switch to Mac for a while now. I currently use my PC to backup my DVD's as well as convert them to play on my iPod. I would like to use a Mac to do this going forward. I am on a tight budget and am looking at the 17" iMac 2Ghz Mac w/ 1GB of RAM. I am considering upgrading to 2GB of RAM if it would make a difference in the ripping/burning process. Does anyone have an information that would help me with this decision? Also if you you can give me average times it takes to burn with either RAM sizes with the same configuration I would appreciate it.