I'd love to take mine with me all the time, but I feel out of place carrying it around like my friends do with their compacts (although thats just for the standard myspace photo album kind of thing) but I really prefer my camera since it takes such good shots and not every photo has to have a flash going of in it!
I do take my camera if I'm going somewhere with my friend James since he has his 400D now and we just share lenses (or should I say he borrows mine lol) when we are out.
I also take it out if I'm going a walk, or I go out in the car with my mum somewhere.
Canon EOS 5DmkII + BG-E6 + Canon EOS 40D + BG-E2N + Canon EOS 33
Canon 17-40 F/4L
USM + Canon 24-70 F/2.8L
USM + Canon 28mm F/1.8 USM + Canon 70-200 F/2.8L
USM IS + Canon 85mm F/1.8 USM
Canon Speedlite 580EX II + Canon Speedlite 540EZ + 2 x Nikon SB-80DX
Cactus V2s Wireless Trigger - 5 x
Cactus V2s Wireless Reciever