Agreed. All this nickel & diming that Sony & MS are doing is despicable. What is even worse is that people are accepting it as normal. It is people's acceptance of such that are allowing these companies to carry on like they are. They will only go as far as the consumer allows them to...
It would be best to go with the PC version, since there are so many mods that add hours upon hours of gameplay. Just be warned that the game (for all platforms) has glitches that Bethesda has yet to address. That is the only downside. Other than that, you will not go wrong with Fallout 3...