Time machine would be interesting, but there is so many possibilities, such as the limitations and effects that time travel could possible have, so Id have to ask, how does the time machine work. Like in the time machine movie, he changed stuff, but ultimatly the result was the same. or you could inadvertantly cause yourself to not exist.
That makes the holodeck more appealing cause its all the fun with complete safety (except didnt it once go haywire and people were getting killed in it). Yeah, i really couldnt decide which i would want more...they all are/would be awsome in their own way and the more i think about it, the farther from a decision i am
DAYV, I used to play WoW but actually got bored of it. The text based mud i used to play was much more fun/entertaining and had better 'replay' (if i can call it that) value.
-Darth Simon