Build a cheap PC that can be made to run Mac OS.
The basic specs needed are pretty basic indeed. My Dell Mini 9 (cost under £200 new and would cost lots less now second hand) runs it wonderfully. There are lists of netbooks, laptops, PCs and motherboards out there showing the extent to which they can be made to run OS X with the right bootloader.
The original 32 bit junkie now snorting pure 64. Sky Broadband, Wired, Wireless, VoIP, 2 Macs, 2.5 Hackintoshes, 3.5 PCs, iPhone, OS X, Windows XP, Windows 7, Ubuntu.
Rehab is for quitters