Short story: it looks a lot like Monster Hunter G on the PS2. Not a surprise since this is a port and all, but Capcom is giving the Wii version some minor tweaks to make Monster Hunter G more user friendly.
The My Set Equipment option found in the menu is one of these modifications. Once you register a set of arms you can switch to it on the fly by cycling through your “My Sets”. Another interface change lets players create items inside their box. Neither of these tweaks are major modifications, but they save a bit of time which means you’ll spend less time in menus and more time hunting monsters on the Wii.
Images courtesy of Capcom.