And the price at Crucial keeps falling
256MB PC2100 DDR-SDRAM, 184-pin DIMM  $44.99  
128MB PC2100 DDR-SDRAM, 184-pin DIMM  $26.09  
128MB PC100 SDRAM, 144-pin SODIMM      $42.29  
256MB PC133 SDRAM, 168-pin DIMM          $43.19  
512MB PC133 SDRAM, 168-pin DIMM         $152.99
256MB EDO, 168-pin DIMM                       $99.00  
Free second day shipping right now but it may not last.