It's shipped from the UK for GBP5. Does this
link work?
It should be active and have roaming enabled when it arrives so should work out of the packet here.
It doesn't work in all european countries or rather some countries will incur roaming fees.
And it will be a UK number.
He's got a 12gig card in his store for just under $70 if you need lots of data.
[edit]
Ken, also found this
SIM card guy who has (3) network cards at better prices. Also note these only do 3G.