Ok, did the X5355 Mod to my MP1,1 Updated Firmware - all's well.... I'm using right now on my 46" 1080P ! ! ! ! ! Config: MP1,1 with 2,1 Firmware X5355's (2 x 2.66 GHz Quads) 16GB (8x2GB) Kingston 667 ECC FB w/Heatsinks OS 10.6.8 - All updated (And my old 10.5.8 drive from the PPC selectable at boot) System Drive is the crap 250GB Maxtor Still 7300GT Vid - soon to be a Apple 5770 tho I have an OCZ Agility 3 SATAIII 6, but haven't installed for 2 reasons 1) Need a bracket - What are you guys using????? 2) I don't have a Snow Leopard installer Q's Is there a way to make an installer out of the current installation???? As soon as I have an installer present for Snow Leopard, I'm gonna go buy Lion, and get all my software updated and installed... But I want to be sure I can go back to SL if needed, And also - is there a way to make an installer out of my purchase of Lion via Apple Store? Seems really *****ty that in the event of a drive failure I'd be screwed Aside from the OS Q's - I have some more Will SSD's make my geekbench higher? I geeked at 9479 Also - I'd like to check the system - is there a way to run hardware test without install disks? What other diagnostic and monitoring software can I run??? What do you recommend???? Thanx guys ! You've all been a great help - the forum and info here is GREAT ! ! !