Ironically, I've never met either of my two best friends in person, but I'd like to change that very soon now...
I'd also have to agree with twoflower and what he said about this poll.
Number of LJ friends: 37
...whom I've met in person: 6
...whom I've met in person more than once: 2
...whose house I've been to: 2
...who have been to my house: 0
...who have been to my dorm room: 2
...whose precise geographic location I know offhand: 5 (street address)
...whose general geographic location I know offhand: 30 (state and/or country)
...whose first names I know offhand: 28
...whom I've followed/been in touch with for more than 3 years: 16
...who live outside my country: 10
...whose journals I consider myself "addicted" to: all of 'em, I read my friends page religiously. ;)
...whom I've lived with: 0
...who I'd do [under different circumstances than current]: none of your business.
...who I've done: proud to say this is ZILCH. :)
[ack, doh, forgot I WAS at Ship's house once, when she lived in the states]