Good morning! Newbie here. I'm not a musician. Just a PC enthusiast. Sorry. My friend's DAW PC went up in smoke. Here's a parts list: - Antec rack-mount chassis - Antec SP-450 PSU - ASUS P5L-VM1394 - 2GB Corsair RAM kit CM2 X 1024 - 5400C4 - Arctic Cooling Freezer Pro 7 CPU heatsink - XFX nVidia 7200GS video card - Core2 Duo 1.8 GHz - Two HDD's, both Seagate. Windows drive 120 GB Barracuda, music data drive 320 GB Barracuda - One LITE-ON DVD/CD optical I'm waiting on some more details from him, but I know he has a separate device that the instruments plug into, then this device feeds to the PC with either IEE1394 or USB. The PSU and Windows drive are toast. Some of the SATA power pins melted! The data drive, which has some folders called DigitalDesign, is functional. I ran memtest on the RAM for a coupla hours. No errors. I haven't checked out the video card yet. I tested the motherboard on the bench with a 'known-good' PSU. I got it to start up a few times by shorting across the "on" pins at first, but after several cycles it wouldn't start up at all. Never got any video from the discrete card or the onboard after pulling the discrete card out. At this point I'm guessing the mb is a goner. There's no visual damage. Afraid that I'd ruined the 'known-good' PSU, I put it back where it came from and that PC ran fine. Can someone point me to a few posts that explain where we are nowadays? Such as: Everyone's moving on to W7 now, right? Is 64-bit a much bigger hassle than 32? Is IEEE1394 still the default interface, or is everyone moving on to USB3 or e-SATA? Stuff like that. I'd just like to get a feel for which direction we need to go in case he wants me to start spending his money on new parts. The short-term cheapest thing to do would be to rebuild using what's left, but his PC is almost obsolete. Assuming the CPU may still be OK, I did a search for LGA775 Core2 Duo motherboards on Newegg. There's only a handful available!!