Small Scale Military Headquarters

so i keep searching around for hats/helmets to make some custom 1:18 scale russians and NVA/vietcon soldiers and i've been seeing suggestions to use some gi joe heads/headwear, and i stumbled across this site:
http://www.guru-planet.com/index.html

possible russian headgear:
http://www.guru-planet.com/acmal1.html
http://www.guru-planet.com/0006.html
http://www.guru-planet.com/frf.html
oh yeah the BEST HAT EVER!! FINALLY!
http://www.guru-planet.com/cobrl.html
http://ep.yimg.com/ca/I/guru-planet-sto ... _179259714

plus, some of the older cobra troops look like their helmets have the shorter "ear flaps" on the side as well.
example http://www.guru-planet.com/mablv1f.html

possible NVA/vietcong:
http://www.guru-planet.com/pathfinder2001.html
http://www.guru-planet.com/sgtslaugv3lo.html
http://www.guru-planet.com/gijoemul.html
http://www.guru-planet.com/gijoemuc.html
http://www.guru-planet.com/bazookafigure.html
and again the best find for last
http://ep.yimg.com/ca/I/guru-planet-store_2063_28766517

plus just some freekin cool ones i found:
http://www.guru-planet.com/guhob.html (dress marine!)
http://ep.yimg.com/ca/I/guru-planet-sto ... _231994985 (gi joe with ww2 german guns!)
http://ep.yimg.com/ca/I/guru-planet-sto ... _232550998 (it is a g43!!)
http://ep.yimg.com/ca/I/guru-planet-sto ... _232278627 (is that a scoped springfield?)
http://www.guru-planet.com/croscounloos.html (is that a civil war kepi??)
http://www.guru-planet.com/shipwrechnew.html (check out the rifle)
http://ep.yimg.com/ca/I/guru-planet-store_2063_84628269(smg kinda looks like a ppsh42)


so yeah, let me know what you guys think if the gi joe heads/headgear would work ok with 21stXD bodies

EDIT: DON'T BUY THEM ALL BEFORE I CAN!!!!

http://www.guru-planet.com/shrageloose1.html

oh yeah and that guy for a ruskie

Cool finds for the Russian and NVA hats.

lots of good stuff here for customs, especially in the head and hats sections.

http://www.brokenarrowtoys.com/cart/index.php

nice link cent-one! found a few of those heads, except it seems like i can find the whole figure cheaper in some other places then paying upwards to $5 per head, plus then having to paint them.....i'm gonna crunch the numbers and look around til i can find the most inexpensive combination!