You can now download the manual for DPP 3.3 from Canon USA website (just select Xsi camera).
Pretty much looks the same as 3.2 but now there is a scale for noise reduction for both Luminance and Chroma that goes from 1 to 10 (instead of none, low and high). That looks like a welcome addition since there wasn't much flexibility before.
You can also save a default noise reduction in your preferences.
Yes, and now we have lens correction for EFS 17-85mm! Sweet! I don't see the 70-300mm listed, but that not as big of a deal.
Still not adjustible rotate