Text layout and typography (text-wrap: pretty comes to mind), for example. Sure, a lot might be possible if you call out of VB and embed another runtime, but out of the box Web is pretty damn batteries includes relative to VB, I think.
OK fair enough. I meant really functionality of crud apps where there usually isn't a lot of text and if there is vb is good enough. Of course you can always put a browser control in your form for what browsers do best.