yea, but noise lvl's are kinda bad at 1600..especially when u enlarge the picture 
I haven't tried shooting in RAW mode yet.. 

ok, lemme give a few scenario's..
Considering u dont have a flash gun, no tripod/monopod, and no 50mm lenses that can go f1.4...those are cheating btw 

1) I'm inside the house's Living Room, My object is in front of me, and my object is behind the the big-assed window (means I'm facing the bright window), and its a bright day outside.
-When I snap, the object will appear dark (coz the light from the back screws up the sensor).
-If i use flash, the object will appear Washed-out (unless I lower the flash exposure)

2) I'm in a bar (sumthing say like TGI's or Chillis). Its dark and have very bad lighting for camera's.
-Using high-ISO doesnt help (object still suffers from blur and its way too dark)
-Flash on full force will create 'shadows' behind the subjects.
- currently i'm using slow-sync flash to get an OK picture in dark places. But hands must be steady coz its still prone to shake.