Searching newegg last night, with just Corsair Value Ram, PC2100 was priced way higher than PC3200... what the heck... PC3200 is backwards compatible at even greater timings...
<font color=red><b>NF7-S/Mobile Barton 2600+
211x11.5 1.808v SLK900A
1GB Corsair XMS PC3200
Sapphire 9500np@9700np</font color=red><font color=black>
NF7-S/Barton 2500+
200x11.5 1.76v
512MB XMS PC2700
XFX Ti4200
<font color=red><b>NF7-S/Mobile Barton 2600+
211x11.5 1.808v SLK900A
1GB Corsair XMS PC3200
Sapphire 9500np@9700np</font color=red><font color=black>
NF7-S/Barton 2500+
200x11.5 1.76v
512MB XMS PC2700
XFX Ti4200