“It can’t match a DSLR or an APS-C equipped compact system camera at the higher ISO speeds, but ISO 100-1600 is eminently usable with 3200 as a backup.”
PhotographyBLOG has posted their review of the Canon PowerShot G1 X, with 14.3MP resolution (1.5-in. CMOS), 4x wide-angle optical zoom (28-112mm equiv.), optical image stabilization, optical viewfinder, 3.0-in. Vari-angle LCD (922K dots), PASM modes, RAW, and Movie 1920×1080 @ 24fps.
Read the Canon G1 X Review @ PhotographyBLOG.