Microsoft has released Deepfish, a mobile browser for Windows Mobile devices, as a Technology Preview.
The Deepfish Technology Preview enhances existing mobile browsing technologies by displaying content in a view that is closer to the desktop experience. Our zoom-able interface and cue map allow you to quickly access the information you care about over the web without ever losing track of where you are.
The browser is compatible with Windows Mobile Smart Phones, or Pocket PCs running Windows Mobile 5.0 or greater.
Unfortunately they are only releasing to invited individuals but you can register you interest here: http://labs.live.com/Deepfish.