JR (or Anyone).
I'm pondering making the same leap to OSX Mountain Lion and I'm worried about my Boot Camp 3.x partition/Windows 7 (64 bit) install making it through the procedure.
My current machine: Mac Pro 4,1 (the big 60 LBS chunk of aluminum); 2.66 GHz Quad-core; upgraded ATI radeon graphics card HD5770 (working perfectly at present to drive my Battlefiled 3 game).
I've read the Apple Support stuff for upgrading from Snow Leopard to OSX ML and they make it sound super simple. I have been impressed by Apple's ability to make the complex simple so I'm hopeful the upgrade will go smoothly. I've also read the Apple Support stuff on Boot Camp 4.0 and I have yet to find anything that is on point regarding the success/failure of my current 3.x BC install working after the SL-to-ML upgrade.
My Plan: First, upgrade to ML; then reboot into BC 3.x/W7; then use BC Assistant to upgrade to BC 4.x.
Is my plan doomed to failure because I've missed a critical Apple Support article or because it is simply not possible with the current ML/BC versions?
Bottom line, I'm looking to avoid failure + major time suck and I'm not worried about loosing my W7 install or data. I only use my BC partition to drive BF3, so if the BC 3.x partition is killed by the ML upgrade, my backup plan is to start the BC creation process from scratch and create a new BC 4.x partition, install BC 4.x, W7, and BF3.
Many thanks for your thoughts. SC Jedi.