The best way to deposit and play online poker from the USA is to choose the # 1 poker: Poker Stars.

poker stars is one of the few american poker rooms that accepts U.S players, you can sign up and deposit instantly.
Poker stars are well known as the largest poker site with around 100,000 players online at peak hours, so you will always find the poker games and poker tournaments you want to play at.

PokerStars Deposit Methods (USA):
Credit Cards, ePassporte, and Western Union
How to deposit using epassporte:
ePassporte is an ewallet just like neteller, paypal etc.
It is an online account that you can fund with your credit cards or bank account which you can use to deposit at online sites like casinos and poker rooms.

2.

Full Tilt Poker

Full Tilt Poker is a relatively new poker site that has some unique features. It recruits a lot of poker pros to play at the site, so players can have the experience of pitting their skill against a professional. Their software is also much more cartoon like than most sites, which some people may enjoy. However, this site has some of the tightest games out there of all the online poker sites.

A Comprehensive Guide to Online Poker
Online Poker has various advantages over the traditional Poker, the most seeming advantage is the comfort of playing poker just sitting at home, also since the game is played online it does not involve the high cost of maintenance as in casinos, and ...
Written by Klara Markle - Friday, November 06, 2009

Bad beats : How to avoid those
Online poker is quite different from normal Poker. However there are many similarities between both of them. This is because the difference is in the mode of the game, and not in the game....
Written by Thomasina Reece - Thursday, November 05, 2009