Incidently i just won the bid on an old IBM 5150 that should be a candidate for some kind of project. And even though we are on the PCjr forums, I hope it's OK to mention 2 of my other retro projects.
Commodore Amiga 1000: http://www.overclockers.com/forums/show ... =Commodore
And Commodore 64 with Raspberry Pi innards: http://www.overclockers.com/forums/show ... =Commodore