Tiny Elvis would love these. First, the Shiira Project, which is out to out-Safari the native web browser for Macs, offers a mini version that operates as a Dashboard Widget in OS X.4+.
But that ain't all, hound dog. Get a load of Bitty Browser, the tiny web browser that can be embedded in a web page.
Something to play with while I wait for Opera Mini to be ported to my Motorola V220.