Hardware Reviews WRT54GS
Linksys WRT54GS
v2.0 200Mhz MIPS
8MB flash
32MB RAM

see:

[Linksys Corporate Page]
[EWRT]
[Wi-Fi Box]
[SVEAsoft]
[OpenWRT]
[Slashdot Hacking Linksys WRT54G page]

see for more info: WRT54G