You sound like quite a decent and experienced player Ste, I guess working in a casino would definitely get you a bit more familiar with it, though. I'm a good play-money player, but when it comes to real money I doubt I would have what it takes - with play money, I have no fear about losing chips and so I am more aggressive with my bluffs, or calls, where as with real-money I would be a bit more tentative. Sometimes, however, particularly early in tournaments, you need that aggression to get off to a good start. I don't mean going all-in pre-flop first hand, but just some attacking betting. Probably best not to bluff too much early, because people are more reckless, but if you have good cards there's no point letting them go to waste.
Sounds like playing on a $1/$2 table wouldn't be such a bad idea, people would care less about their hands and if you did lose it wouldn't be such a huge problem - but you could also make a decent about of money, if people don't care as much when they lose.