Thanks for the quick reply,
I see 2 options:
1.- 1GB DDR2-533 (PC2-4200) 128x64 CL4 1.8v 240 Pin Non-ECC DIMM (Lifetime Warranty) DM50 627 $99.00
2.- 1GB EconoRAM DDR2-533 (PC2-4200) 128x64 CL4 1.8v 240 Pin DIMM (1 Year Warranty) DM50 627E $85.00
Does the first option really worth the extra bucks?