I've got the same one. Looks like prices have gone up as I got mine for $50 shipped but that was about a year ago. The build quality is decent and it works fine but I can tell you right now, it's no Givi, but for the price differential it's not a bad case. As far as that cheap ass universal plate goes, throw it in the garbage. It started bending on me within the first 400 miles and the case was bouncing around due to the wind buffet. Nothing a little bending and strategically placed duct tape couldn't handle but the plate is more of a hassle than it's worth.
BTW, with a little finesse this case will marry up to a Givi rack...