I feel really happy and I get twitter/e-mail of people all over the place trying to get into the PowerPC scene.  There are pretty much 2 ways, you can either use Mac OS X 10.5 or Linux (very update), also you can play both sides as long you have a good size hard drive.

PowerPCNotebook – Favorite this site right now, I believe and their potential – http://www.powerpc-notebook.org/  PowerPC in 2015 here we go.

OSX Guys – It’s could work well – http://osxguy.com