That's just about what 7 megapixels will get you. It's overkill for most purposes.
[link|http://www.imaging-resource.com/|Here is a good reference site] for digital cameras. There are a fair number of reviews, but not for the latest and greatest you've picked. Closest is the one for [link|http://www.imaging-resource.com/PRODS/O550/O55A.HTM|Pentax Optio 550]. Note that is good for prints over 8x10 inches in size.
My only thought is you should (and you did) stick with a companies that make film cameras as well (vs. say Sony or HP). They will have had no learning curve with the optics.