Age 30 and 6000km away from home makes this tablet really useful in terms of integrated skype.
Other than that I use it for browsing, playing SNES (good ol' days), keeping up with friends all over the globe, listening to music and getting surprises out of that device almost every day as I am pretty new to the whole N900 experience:-))
21 (still need to buy one)
Games (vgba,gbc,ines,snes,msx,master gear and speccy..basically all retro emulators except psx and n64)
Videos
Music
Email
Calls
Pictures
Programming(making apps and testing bugs)
Age 30, using it for work and leisure (not porn-type leisure, lolz). For leisure, mostly music, Internet, games, and Linux stuff (wireless network cracking just for fun).
remote desktop client
ssh terminal for lamp servers
chat gtalk skype yahoo (webcam)
22gb of music with fm transmitter to car
camera on the go
google voice integration into conversations and phonbook
sip over 3.5g using sipgate and gv
web surfing and downloading lecture slides
notes xournal
more portable ti-85 calculator when needing to do calculus on the go
drawing to pass time in class using mypaint
games and emulators
way to learn more about linux i have win7 for desktop and osx for laptop