Which OSx86 distro would be best for this pc?

[alexkearns]

Which OSx86 distro would be best for this PC?

Pentium4 524 (P) HT 3.06 GHz533 MHz front side bus

ATI Radeon Xpress 200 for Intel Processors (Video)

Manufacturer: ECS
Motherboard Name: RC410-M
HP/Compaq motherboard name: Asterope2-GL8E

240-pin DDR2 SDRAM (2x1GB)

7400rpm 200GB SATA

Realtek ALC 883 chipset (Audio)

Please bear in mind that I am new to OSx86 and don't really understand all the jargon at the moment! :D