anyone ordered replacement backs from this site?

[hockey17]

i am looking to order both of these. just wondering if anyone has ordered from them and what the quality was like. also if they came with the flash difuser.
thanks!

http://www.sw-box.com/iPhone-4-Back-Cover-With-Green-Supporting-Frame-Green.html

http://www.sw-box.com/iPhone-4-Back-Cover-White-Oem.html

----------

also if these arent good but youve had a good experience somewhere else. let me know