pr00ne
Our biggest trading block is indeed the EU, but our biggest single trading partner is the US. They're not in the EU or the single currency, but it doesn't seem to effect our ability to trade successfully with them.
Where would we be without the Common Agricultural Policy, the Fisheries Policy, the Working Time Directive, the European Constitution/Foreign Minister, Peter Mandleson for God's sake.
Pull out of Iraq and bomb France, that's what I say. Oh yeah, and Germany!