Another well-written review of Mobicip's Safe Browser for the iPhone and iPod Touch on UnwiredView.com. Some excerpts:
MobiCIP fortunately delivers a nearly identical browsing experience to that of the Safari, but with restrictions in place.
All in all, the browser worked quite well, and is something I would recommend to any concerned parent. There were no differences in performance whatsoever since it is still working off of the same network.
Thanks @UVStaska for a well-written and unbiased review.