Building my first computer, what do you think?

I am replacing my aging Dell WS420 (c.Jan. 2000) with dual P3's @ 733 mHz. I do video editing of weddings & overseas medical documentaries. I will be transferring my Canopus Storm2 card and Storm Bay to the new computer. I use PremierePro, AfterEffects6 Pro, Audition, Encore, Illustrator, Photoshop, Imaginate, SonicFire Pro3,Imaginate & Spicemaster2.
Here goes:
1. Lian Li MidTower Piano Black Model#: PC-6077B
2. ASUS Model#: P4C800-E Deluxe
3. Ennermax 550watt power supply Model#: EG651AX-VH
4. Intel P-4 3.2, 800 FSB, 512kb Cache, HT
5. 2.0 Gig RAM: 2 sicks of OCZ Model #: OCZ4001024ELERDC-K DDR400/PC 3200
6. System Drive: Western Digital Raptor SATA 76 Gig.(WD740GD) (dual boot: W2K
for MS Office etc. AND XPPro for video editing with only the above programs on
this partition of boot drive)
7. 2 Video Drives: Western Digital SATA 250 Gig.(WD2500JD)
8. Plextor 8x DVD+R, Model#: PX-708A/SW-BL
9. FIREGL X2-256 video card
10. 250 Zip drive (Model#: Z250ATAPI BLACK)
11. M-Audio Delta 1010
12. 9 in one Card Reader occupying a 3 1/2 inch drive bay
13. Thermostatic Electric Cooling system.
Total Cost of above parts is $4,000.00 (mostly at NewEgg)

Any comments, positive or negative would be greatly appreciated.
Sincere Regards,
David