I don't know if this deal is good everywhere, but since it's a MIR, I think it does.
Anyway this is at Best Buy.
256MB PC2100 DDR RAM
$49.99 - $25 Mail-In Rebate = $19.99
I don't know if this works online, its a Mail in Rebate, but you can see the info on this PDF of the Best Buy Ad
http://64.14.232.164/BestBuyInserts/WeeklyFiles/PDFs/0330_22AP1.PDF

