what are some good umbrella brokerage accounts?

i heard you can get like 1:10 margin when opening one of these accounts.

also, what are some fees you'd have to pay with any that you would recommend; such as:

-exchange fees (i prefer none)
-maintenance fees
-fees for trading tools (like level2, streaming quotes, streaming charts, et.c)
-et.c

also what are account minimums, i've heard 5k. that'd be 50k if the margin is 1:10! this is what i need please help my nuby arse tnx