i do shoot a lot in low light and its almost impossible to push 1000 iso and not see grain on the 50d
it depends on what lens you use, I guess. Also, some grain is fine, you can fix it in post. Here is 3200 ISO at 240mm, f/5.6 from last night. Not even L glass either. SOOC.
original size:
http://bemerick.smugmug.com …XJsfhSj/0/O/i-XJsfhSj.jpg












