How many active WOW accounts do you own?
Ten (six active).

How many active MMO accounts do you own?
Not sure - I have a couple of old EQ accounts, an EQ2 account, and some for other MMO's - I've only played WoW and EQ for extended periods of time though.

How many level 70's do you have?
Around 15, although some are on horde-side (my main team is alliance).

How many actually played characters do you have?
7 at the moment - some are on the same account.

How many teams of characters do those characters comprise?
Two - pala + 4 shammies and pala + druid + warlock + 2 shaman

How many hours a week do you normally play?
That depends on school - in exam periods I play a lot less, obviously. At the moment I play 2-3 hours per day on average.

How many hours a week do you normally work?
24 hours of work and about 15-25 hours of lectures/studying.

How many hours a week do you normally watch TV?
0 - I don't own a TV. I do sometimes watch a tv-series or two before going to bed (DVD's - Seinfeld, Scrubs, Dexter etc.)

How many hours a week do you normally socialize/hang out with friends/etc?
Some of my socializing is during school/projects, but other than that it's usually about 15 hours per week - more when going out to bars etc., but I try to limit that for economical reasons.

Comments?
I consider WoW my TV-time - what I do to relax and put a distance to everyday-life. I never understood why people would think multiboxing is expensive - what I spend per month on wow is less than what I spend in one night when going to bars and such. What's the big deal? In fact, WoW is a money-saver for me :-)