Voting has changed to daily activity points. You can claim them once your account holds at least 1000 unique achievement points in Lordaeron and/or Icecrown.
You can buy some in-game gear with the points. Stores varies between realms.
If you're afraid of PvP, only PvE realm is Frostmourne. Icecrown is universally the best realms what comes to clearing ICC/RS on regular basis.
Icecrown is permanent 3.3.5 with high exp rate. Store, trade available.
Frostmourne is seasonal 3.0.0 to 3.3.5. Currently at 3.1 Ulduar. Store, trade available. Store is restricted to work as catch-up feature. Items gets added there as they become more common in player base. Frostmourne - Season III