Anyone have any trays for the DS series or the HP arrays? They look like so: http://a763.g.akamai.net/7/763/1644/v003/app.infopia.com/img/image/fp/VPID/2772983/img003/img.jpg I need five of them, and am trying to figure out something more economical than buying a DS2100 just for 'em. Thanks, Aaron