Well I have finally decided to join the Mac crew. I just purchased a MBP 2.5GHz, 4GB ram, 250GB HD (Might upgrade to 7200rpm), 512mb Graphics, you know the rest. (Should be here tomorrow) I've worked with windows since msdos , but have a little unix experience as well. What can you guys suggest to help the transition move smoothly and keep me around? I thought about dual booting, but then that kind of defeats the purpose of buying a mac. Instead of learning a new OS I would just boot into the other to do things. I will be keeping my desktop around for torrents and storage but other than that I plan on making the MBP my primary. I've read through the apps threads and found a lot of useful programs but other than that is there anything I should do special when I get it(I have heard calibrate screen and battery before??), anything to look out for, etc.