If anyone cares, I just placed some orders for various system parts. Soon I will have another cruncher online, helping the SB TeAm! 
From Newegg:
MSI K7N2-L Motherboard (nForce2 chipset) - $97 + $5 shipping
Sony floppy drive - $8 + $5 shipping
Thermaltake Crystal Orb (passive northbridge cooling is for lusers) - $9 + $6 shipping
From Crucial:
Crucial 128MB PC2100 DDR DIMM - $25.99 + tax
From Pham Computer:
P4 power adapter cord (I have a good 350W PSU sitting around, but it doesn't have a P4 plug) - $2
2 60mm fan grilles (for another rig) - $2 each
Existing parts that I will use:
Codegen case (thin and flimsy, but has good airflow)
T-bird 950 AQGA stepping CPU (I have an ARGA as well, but it has an organic package, and thus is not pencil-unlockable)
Thermalright SK-7 heatsink
Vantec Tornado 80mm fan ("it sounds like a freight train")
S3 Virge/GX PCI video card
Crucial 128MB PC2100 DDR DIMM (dual channel ownage)
Western Digital 13.6 GB hard drive
36x CD-ROM drive
Topower 350W PSU
Upgrade roadmap:
Barton 2500+ CPU
PC3200 RAM
Antec Truepower 430W or Sparkle 400W PSU
From Newegg:
MSI K7N2-L Motherboard (nForce2 chipset) - $97 + $5 shipping
Sony floppy drive - $8 + $5 shipping
Thermaltake Crystal Orb (passive northbridge cooling is for lusers) - $9 + $6 shipping
From Crucial:
Crucial 128MB PC2100 DDR DIMM - $25.99 + tax
From Pham Computer:
P4 power adapter cord (I have a good 350W PSU sitting around, but it doesn't have a P4 plug) - $2
2 60mm fan grilles (for another rig) - $2 each
Existing parts that I will use:
Codegen case (thin and flimsy, but has good airflow)
T-bird 950 AQGA stepping CPU (I have an ARGA as well, but it has an organic package, and thus is not pencil-unlockable)
Thermalright SK-7 heatsink
Vantec Tornado 80mm fan ("it sounds like a freight train")
S3 Virge/GX PCI video card
Crucial 128MB PC2100 DDR DIMM (dual channel ownage)
Western Digital 13.6 GB hard drive
36x CD-ROM drive
Topower 350W PSU
Upgrade roadmap:
Barton 2500+ CPU
PC3200 RAM
Antec Truepower 430W or Sparkle 400W PSU
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