GWS rx (I have never had a problem with mine)
about $25

motor...depends on what you end up with....

$30 to $70..
I like my Axi 2208/34, but there are other out there...

Esc
http://www.towerhobbies.com/products.../gpmm2070.html
$35 or so...
I use CC but have not heard anything bad about the BL-8

battery
I use the Electrifly mentioned above on my foamie with VPP and it works well
http://towerhobbies.com/products/gre...gpmp0800m.html

about $40

Hope that helps