I do some photography out on nightclubs, where lightning conditions are very poor (sample: White Room - STUREPLAN.se) I use Nikon D60 with standard lens AF-S Nikkor 18-55mm f/3.5-5.6 that came with. External flash sb-600. The other night I was out working and some idiot came and poured a glass of water all over my camera (on purpose). The lens is not functioning properly (the majority of the pictures turn out blurry, no focus) and when the button is pushed down halfways to set focus the lens gives away strange, cracking noises. So now I am in need of a new lens (of couse I have to pay out of my own pocket as this dude refuses to pay for the equipment he ruined...douce) Instead of getting a new camera (I believe the camera is fine, it's just the lenx that's broken) and instead of getting a new standard lens i was thinking about getting a new lens that is more sensitive to light. A recurrent problem I have when photographing at clubs is that my images often become very dark. Especially the background (whilst the faces of people become very light, because of the flash). I use F3,5 iso800 and shutterspeed 1/8. What kind of lens should I be looking at? I've been looking at SIGMA 18-50mm F2,8 EX HSM Macro ... What do you think? any recommendations?