You won't find the software for your WB2000 on the included CD - like most recent Samsung picture and video cameras, the IntelliStudio software is built right into the camera. When connected with a PC, an extra drive will be mounted that contains IntelliStudio. Despite how convenient this feature is, Mac users are still left to fend for themselves with no Mac OS version of this software available as of yet.
A few shooting mode additions have also been added to the WB2000 - high-speed shooting will allow you to snap up to 10 frames per second in photo mode, and up to 1000 frames per second in video mode. This is great for fast action and sports shooting, or for creative minds who want to make those cool slow-motion animations. Another new feature I found intriguing was the pre-capture mode. We've all had that perfect photo moment appear - before we pressed the shutter button. With pre-capture, the camera will automatically start taking and archiving photos from the minute you half-press the shutter until you fully press it. Once you fully press it, a thumbnail strip appears on screen where you can look at each picture taken and choose that perfect one to save. For the in-laws who can never keep their eyes open when it's time to say 'cheese', this would be a great feature to take advantage of situations such as this!
The sensor inside the WB2000 is both an upgrade and a downgrade over the WB1000. Samsung went from a 12.2 megapixel sensor down to a much higher quality 10 megapixel BSI (back side illuminated) sensor. This new sensor is much more sensitive than a regular sensor which helps reduce noise and distortion - something you'll especially notice in low light settings. Don't worry about the 2.2 megapixel reduction, and especially don't let a salesman try to tell you a higher megapixel camera is "better" in this day and age. Megapixels are only half the equation - a high quality lens and a better quality sensor in your camera will show a bigger quality difference in your pictures than a higher megapixel count. I shoot all my review photos with a 6 megapixel professional DSLR and I've never been able to attain the same image quality using even a 14 megapixel point-and-shoot camera. So the reduction to 10 megapixels, at the gain of a much better sensor on an already great quality lens is absolutely nothing to worry about.
The ability to shoot in RAW mode on the WB2000 will also give you a little extra control in the post-processing phase, for those who really want to get the most out of this camera without moving to a larger SLR model for similar functionality.