FXTrader.net got the lowest minimum on Forex Managed Accounts.
You can open a DEMO forex managed account for 1000usd.
(http://www.fxtrader.net)
When you open a forex managed account for less than 10 000usd we use the aggressive profile.
Have a look at our results during 2003:

January, 2003
* 75.77 %
February, 2003 * 4.56 %
March, 2003
* 52.73 %
April, 2003
* 79.10 %
May, 2003
* 9.07 %*
June, 2003
* -0.69 %
July, 2003
* 54.15 %
August, 2003
* 18.32 %