I just wanted to thank everyone for all the great advice. It seems that everyone's experience varies in some way -- both positive and negative. I'm going to t

I just wanted to thank everyone for all the great advice. It seems that everyone's experience varies in some way -- both positive and negative. I'm going to test drive a friends MacBook for a few days to give it a true test (keyboard mappings, etc.). I also plan to give Linux a try as well.