If you have internet(you posted here didnt you!) theres a couple three Webish RPG time killers I play. They all are pretty decent.
First Star Online is a cheap(or free) MMORPG, its a little one no group stuff really but there's a lot to do and some nice people on there. It's free or you get some extras for a 1 time $25 registration.
Adventure Quest is a cheap(or free) web based RPG that has quite a bit to keep you busy. Again this one is free or you full access for a 1 time $20 registration.
Dragon Fableis the spiritual successor to Adventure Quest. It features an updated engine and a PvP arean. This one is free or a 1 time registration of 20-30 dollars depending on how many charectors you want "upgraded".
I have them all, and I've paid for them all. The hours I've sank into them all ends up being fractions of pennies per hour. All pretty cheap entertainment.
And for a quick 5 minute RPGish fix their is
Earth 2025, I'm told it's the reason Al Gore invented the internet.