Newegg has the 250 GB Samsung 840 series (not the pro) SSD for $160 with code "EMCXVVP28".
http://www.newegg.com/Product/Product.a ... 6820147189
The 500 GB version is $280 with code "EMCXVVP23".
http://www.newegg.com/Product/Product.a ... 6820147190