“The T3i’s high ISO performance rivals that of higher end dSLRs.”
Steve’s Digicams has published their review of the Canon EOS Rebel T3i / 600D digital SLR camera with 18MP resolution on a large APS-C CMOS image sensor, a large 3.0-in. high resolution (1.04 million dots) Vari-angle LCD display screen, ISO range of 100-6400 (expandable to 12,800), and Full HD Movie 1920×1080 at 24fps. It is targeted to Families, as well as beginner and serious amateur photographers.
You can read the Canon EOS Rebel T3i / 600D Review at: Steve’s Digicams.