E-trade requires a minimum or you get a percentage charge. I use scottrade for most bonds/funds and long term options and i use TradeKing for short-term options (lowest commission charge).
What do you want to do? Options aren't a very good idea for beginners unless they are staple stocks (hint: sbux. Even without the insider information it's a good buy). Most all staple stocks are going to be a good buy right now since the economy down and most all stocks will be waning.
Same with no-load mutual funds. This is where I would say a beginner should put their money. The Black Rock funds are a personal favorite of mine. Low minimum, goes through regular cycles, and they are at a low point but about to rise again. Check out BGSAX. $500 minimum investment with and they are way down. It's a promising fund (one of the major stocks in it is apple).
Or you could be daring and go with penny stocks!