Importing
Yeah, what the other guys say is true, I've had 4 markers from the States (3 2nd hand and 1 new) all arrived safe and sound and in good working order but its the shipping and Import tax that really cripple ya!
Expect to pay at least $50 for shipping, thats if you want to receive your goods within 5-7 days and basically add around 20% for import tax/vat.
I bought a pair of football cleats for paintball for $29.95, they charged $25 for shipping and because the retard at the store put the value as being $100 i got hammered for £17 tax and then Parcelforce charged me extra £13 for their trouble of having to pass the goods through customs, I did get some tax back after I sent the invoice to customs and exise to prove the goods were not really worth $100 but it was still a pain in the ass.
I think that is the last time I will order from the states or overseas, most of the shops over here carry a great stock now and I know it tempting when you see all these great offers in the US, but as the farmers say............ best buy British or something like that.
Bringing stuff back I assume would be the best way to do it, just tell customs if they quibble that you have been playing in a tourney over there and the stuff has been yours for ages, unless you were bringing back 3-4 markers I'm sure they'd have no real beef.