Hi I am looking to replace my outdated AM2 MB with an AM3. I am curious if anyone can help me understand a few things before I do so. I am new to the hardware end of PC building but I have changed the PSU added a graphics card and have swithed out CPU's I have never attempted an MB switchout. My biggest concern is compatibility to the parts that are in my PC already. The harddrives are SATA and it is running Windows 7. What do I need to be concerned about as far as a switchout? Am I good with any MB as long as it is SATA? also would I need to puchase a copy of windows for the new MB or is that info stored on my harddrive? I know I would need to purchase DDR3 memory also. Any info would be much appreciated. Thanks!