jondeak, read this first:
http://forum.ppcgeeks.com/showthread.php?t=5091 It is the FAQ and Threads of interest. Most of your questions should be answered here. It is stickied at the top of this forum. It it called
"PPC-6800/Titan FAQ's - READ BEFORE POSTING! (10/29) - Official ROMs discussion links!"
Hope this helps.