Jet offers the Kingston 120GB SSDNow V300 Series Serial ATA 6Gb/s Internal SSD, model no. SV300S37A/120G, for $47.75 with free shipping. (Amazon offers it for a few cents more.) That's tied with our mention from a month ago and the lowest total price we could find by $1. (Most stores charge $55 or more.) It features read and write speeds of up to 450MB/s.
Of note, new customers can apply coupon code "15BUCKSNOW" to cut the price to $32.75.