Okay... for a full set of Colonial Warrior garb you can go here:
http://www.battlestargalactica.org/
It's a bit pricey in my book... but then again, I prefer to make my own.
If you do as well, you can go to this link for the more hard-to-find pieces. Authentic braid, buckles and badges...
http://search.stores.ebay.com/search...&submit=Search
When they used to do a lot of BSG stuff at Universal Studios, the only thing the employees got that looked authentic was the jacket, holster and boots. Underneath that they wore beige Levi's and a beige mock turtleneck. The jacket covers all the extra piping and stuff anyway. *G*