I bought a trunk that attaches to the luggage rack for my 1300 from a store at ebay. Didn't even have to paint it, it matched my bike perfect. The price was not bad either. Go to goggle seach and type in motorcycle trunk or trunks.
If your looking for something inexpensive in leather or PVC , look at Jafrum.com. (not great quality but well priced for what you get.) If you want better quality try http://www.ussaddlebag.com/index.html or http://www.carolinaleatherworks.com/index.html
. Also look at LeatherLyke for different sizes in hard trunks. Honda has a bag that matches your saddlebags but it's way overpriced. Someone on the classified site had 2 of the plastic trunks if your looking to do a paint match, you may want to do a search. A lot of the members seem to like the Kuryakyn and T bags if you want a cloth look. I hope I helped.