www.ifxmarkets.com
Sign for a demo account and get the Windows software - its Forex trading.
It is GREAT!!
I dont care its not real cash (yet) - Its just the best thing ever! - The stats are all realtime as well - so you can get an idea of what you would have made with the real thing.
The best thing is you get an account for 30 days to play with - get the hang of it and then start trading with the same software for real money.
I am so not going to get any work done this week!