My main goal is to be able to play my Star Wars, Star Trek games. Basically everything after 1994. These are all my systems and components. I am looking for opinions on switching components between the machines. Basically building to the best of my hardware on hand. Cheers!

Windows XP Gaming
Motherboard:
CPU: AthlonXP 3200+ 2.21GHz
RAM: 1GB
GPU: nVidia GeForce 6200
Audio: Onboard
OS: Windows XP

Windows 98 Gaming
Brand: Dell Dimension 4100
CPU: Pentium III Coppermine 867MHz
RAM: 256MB
GPU 1: nVidia TNT2 M64 32MB
GPU 2: Voodoo 3 3000 16MB
Audio: SB Live!
OS: Windows 98

Windows 95 / DOS Gaming
Brand: Gateway G6-333
CPU: Pentium II 333MHz
RAM: 64MB
GPU 1: ATI Mach 64 2MB PCI
GPU 2: Voodoo 2
Audio: AWE64 (CT4520)
OS: Windows 95 OSR2.5

DOS 6.22 / Windows 3.11 Gaming
Motherboard:
CPU: Cyrix 6x86-P166+GP 133MHz
RAM:
GPU: ATI 3D Rage II+ PCI
Audio: Sound Blaster Pro 2 (CT1600)
OS: DOS 6.22 / Windows 3.11

DOS 6.22 Gaming
Motherboard:
CPU: Intel 486DX 2 33MHz
RAM:
GPU:
Audio: ESS1868
HDD: CF IDE Adapter
OS: DOS 6.22 / Windows 3.11

Unused Machines

HP Pavilion 6343
Motherboard: Asus SPAX v1.01
CPU: AMD K6-2 300MHz
RAM: 32MB
GPU: Onboard
Audio: Onboard
OS: Windows 98

Dell Optiplex GX150
CPU: Pentium III Tualatin 1200MHz
RAM: 512MB
GPU: GV-R92S128T Radeon 9200SE 128MB AGP8x
Audio: Onboard
OS: Windows 98

Recently Purchased and Laying Around
Voodoo 2 12MB
Tyan S1854 Trinity 400 Pentium II/III
Asus P5A-B Super Socket 7 - 6X86MX, Cyrix MII, K5, K6 MMX, K6-2, K6-2+, K6-III, Pentium, Pentium MMX, WinChip 2
Intel Pentium MMX 166MHz 2.8v
ATI Rage 128VR 32MB PCI