Amazon offers the Kingston 240GB SSDNow V300 Series Serial ATA 6Gb/s Internal SSD, model no. SV300S37A/240G, for $129.99 with free shipping ($0.54/GB). That's the lowest total price we could find by $19, although we saw it for $10 less via rebate five days ago (since expired). This 2.5" drive features read and write speeds of up to 450MB/s.