Which one i should try to install on following spec machine.

Summary
Operating System
MS Windows 7 Ultimate 32-bit
CPU
Intel Pentium 4
Northwood 0.13um Technology
RAM
2.0GB Dual-Channel DDR @ 159MHz (2.5-3-3-7)
Motherboard
ASUSTek Computer Inc. P4SD-VL (CPU 1) 33 C
Graphics
Generic Non-PnP Monitor @ 1024x768
512MB GeForce 6200 (PNY) 46 C
ForceWare version 258.96
Hard Drives
117GB Seagate ST3120022A ATA Device (Unknown Interface) 33 C
Optical Drives
SONY DVD RW DW-U14A ATA Device
HL-DT-ST DVD-ROM GDR8162B ATA Device
Audio
SB Audigy LS
Operating System
MS Windows 7 Ultimate 32-bit

Have tried to install iATKOS_S3_v2 but would not install on fat32/ntfs so i went through disk utility and choose not the journalling option, the basic format and spent an hour unmounting???? then gave up??? i thought it would unmount then format in no time???

All help mucho mucho appreciated, just so i can break away from windoze : )