On some bikes the little covers on the handlebars that hide the adjustment screws have been known to rust.
On my bike, most of the shiny fasteners are dulled. Some of the little brackets and screws around the brakes show signs of rust.
As Mount Rainier (what an appropriate monicker for this question) says, the wheel speed sensors can seize and did so on my '06, I never freed them, but it never caused me a problem. On my '10, I've greased them at each tyre change.
I do get some water in the under-seat area, if I store stuff there I use plastic bags.
I've never had water in the glove box.
On the whole, this is a pretty weather-proof bike, I ride mine in all weathers here in the UK, unless there's ice on the road, and take no special precautions other than possibly hosing it down if I've ridden over salted roads. With salt, some of the aluminium bits will go white and furry.
[edit]Nearly forgot, as with any disc-braked vehicle, the brake discs rust, but if used daily that won't be a problem. Let it sit for a few days with them wet and the wheels will stick a bit in the pads, leave it for a few weeks and the discs will start to pit.[/edit]
