Definately legit. Although some companies that offer trading are on the look out for you to lose. Key to finding a good broker is finding on that does not profit from your losses or in otherwords doesn't take an opposite position against yours. Which means they make commision on the spread and are routing for you to win and therefore make more trades which makes them more money.
http://elitetrader.com/vb/forumdispl...?s=&forumid=38
Search thru there and you'll find some more information regarding forex trading. Pick a large company and try a mini account out or a game/simulation account. Forex.com FXCM.com and Oanda.com all offer game accounts and from my experience don't take the opposite side of your position.