Its strange for me to read something like this since I have recently switched back to Linux and I've never been happier with it. I've been a sometime user of it since around 1997 but it could never survive long as my primary OS. I bought my Frankenputer parts from Newegg without checking on hardware compatibility for any of it and it all worked great. I had only one problem which was wake from USB keyboard and I googled it down pretty quick (was a new issue with Ubuntu Precise it seems).

I like OS X too and had a Powerbook for years but all other things being equal I'd prefer to develop and deploy on same OS and Linux is just fine for development so far.