Yes ECS has the eurobox for that price, but dont forget 30 shipping & $60+ for K&N round filter/pipercross/AFE for that box
OP got Simota for a steal.
Have a look at this review
treat it as Simota vs Eurobox with Euro BMP filter
http://www.1addicts.com/forums/showthread.php?t=518377
http://www.babybmw.net/viewtopic.php?f=20&t=24970
http://babybmw.net/viewtopic.php?f=20&t=18214