I thought about triple booting with one of the OSs being OSX (thus making it a hackintosh) but I prefer AMD CPUs and it takes a lot more work to get OSX working on and AMD chip, since Macs are made pretty exclusively with Intels now.
I usually end up going with AMD because I get a better deal on a mobo compared to a i5 with a similar mobo. i7s are just too expensive for my needs.
My next build I might try to go with a tri-boot. I used to dual boot to win/unbuntu, but I stopped doing that once I started using Windows 7. It's just a matter of scraping together the dough to go full Intel. That's how you win at computers.