I bought a 2nd hand MTB on eBay from the US mid-year. The shipping cost
was about $200. Quotes varied wildly up to $500. I signed up with
forwarding agent MyUSA and their rate was a lot cheaper than FedEx
etc., but the set-up cost is about $50 too.
If your quote is under $250, it's not bad - toxic enough - but around
the market.
PS: My tricked up Airborne Black Widow is uber-cool.
Donga