I have just stumbled across these very good reviews on Apple iPhone Apps, and thought I'd share them with you (that's if you haven't already read them).
The first review is Pano, the panoramic app, although it is worth noting that since this review has been written the developer has resolved the crashing issue. Next is Picoli, and finally Comic Touch. These are all very good apps and form part of my own iPhoneography kit.
If you know of any other good reviews out there, then post your recommendations in the comments.