Taking an idea from Metalguy's thread on Bad Products (which I think is a good idea) and giving it a 180 spin to launch this thread...

Half Cover from GL1800 - that I had left over after I got rid of my wing works very nicely to provide some protection from the elements.  I take the half cover with me when traveling as it packs relatively small and is easy on / easy off.  I do also use the GL1800 full cover that I throw over it in the winter when it's parked for an extended period of time and that fits quite nicely also.

Boy...I'm a lucky guy!