» Sat May 28, 2011 2:30 am
I suspect that there will be Achievements, due to this being a multi-platform title. (The consoles demand achievements/trophies for their titles, don't they?) Not having LIVE probably just means that there is no Gamerscore for PC players, and your Achievements are stored locally rather than associated with any sort of online account. They could display in your Pipboy under General Stats(?) where it currently displays how many enemies you've killed, quests you've completed, etc.
Personally, I couldn't care less about LIVE or Achievements. I had been playing the game for months before I even discovered that there were Achievements listed in your LIVE account, and it's not like I ever go in there to look at them or brag about them.