Nato is quite similar but I think the gear is better quality, easier to get and less expensive. The West German is probably a little higher in price but I bet you could go with the US for under $500 and pick up everything at one surplus store.
Here is all of my gear, it should be complete. Starting with
Cot, Self inflating mattress for cot, Folding Mattress for patrol, Sleeping bag (2 part with extreme winter and summer liners, comp bag), Half Shelter with poles, Half shelter ground sheet
8 mags, G36E, Webbing, 65 litre pack, 2 pairs of boots, Shovel, Beret, 2 pairs sealed goggles
Cup, mess kit, two canteens, toiletries, ammo, DAB, camo paint w/ mirror, boot polish and brush, Esbit, matches, extra fuel, dead rags, dog tags, water tablets, Fogtech, watch, pocket knife, KFS, paracord, orders, blousing cords, Deutschmarks, gun repair kit.
Comms and Navigation
Sem 35, Sem 52, extra batteries, rite in rain pad, compass, waterproofed maps, light.
Gortex suit, 3 uniforms, 2 long underwear with tops, patrol cap, poncho liner, poncho, mesh scarf, carry bags, dry bag, mesh bag, solid scarf, flak vest, 8 tee shirts, 8 underwear, 10 socks, helmet with junk on it, gaiters, gloves, parka with liner, belt and winter camo.