Great Compare websites

This is an update to my post last year

Compare computer hardware - http://cpuboss.com/
Compare Digital Cameras - http://snapsort.com/
Compare Cars - http://carsort.com/
Compare Smartphones - http://geekaphone.com/
Compare TV screen sizes: http://displaywars.com/
Compare graphics card: http://www.hwcompare.com/

Compare sizes of "all" things: http://www.sizeasy.com/

Whats up with all the names for SQL Express 2012?

SQLEXPR_x64_ENU.exe Vs SQLEXPR_x86_ENU.exe Vs SQLEXPR32_x86_ENU.exe etc.

Found a few pages that explains this: