Best Nuendo PC configuration

[Michaux]

I am building a music education program for a non-profit organization and we will be teaching Nuendo. I would like the PC specs to be: Microsoft® Windows® XP Pro, Dual-Core AMD Opteron™ Processors, 4GB ECC REG RAM , 1TB data storage (RAID), CD/DVD-RW

I would like your recommendations on the best:

PC:

Laptop:

Audio/Midi Interface (fire wire):

Audio/Midi Interface (PCI):

Thanks for your help! ~ Michaux

http://www.myspace.com/michaux