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You can use bank transfer money appears reletively quickly in your trading account, then you can make quick trades.
There is just a couple of small glitches right now though, but Bitcoin is all about excitement and thrills as an investment!
Oh and you will have to divulge lots of personal information but dont expect any information flow in the oposite direction, questions like where is my bitcoin are a waste of energy.
Seriously though, if you are in the UK and you just want to buy try bitbargain, I have used them in the past although it can seem complicated. Other than that you will need to send Euros to an exchange that accepts them and if they are in the Eurozone then it should be cheaper than sending $ to the US.
If you are new to this lark though do lots of researcha and be prepared for the worse, in other words 'gamble' what you can aford to lose (or have locked away in an echange with no access;))