Out of curiosity, what functionality would you actually be looking for in a project like this? The limitations of the Internet Channel are as rooted in the Wii's hardware as they are in the software itself. There just isn't enough memory onboard to support viewing the bloated hell that is the modern web.
Unfortunately, I don't think you're likely to find someone interested in porting an entire browser engine to the Wii at this point. It's a fairly herculean task that would take an absurd amount of effort for very little reward. Mind you, if someone crazy enough to do it exists, you're in the right place to find them. That being said, I wouldn't hold my breath.