Wretch, it is difficult to tell from your pic if you have allowed for it, but you need about 2.5"-3" of overhang so the linkage between the handle and the ram has room to articulate. Right now it looks as though the best mounting point for the press would be near the center, but this is inconvenient. What I would do is, if you are right handed, put a 3/4" plywood top on your existing top, extend it 10" to the right, and have support from the outside edge of the plywood to the floor. In this way the press will be in a good position to use and will not interfere with the storage drawers. Don't go too wide with the extension though as it will begin to flex with heavy use, even at 10" you may wish to screw a 2X8 to the under side. Better yet, box in the underside with 2X4's, remembering to maintain enough overhang for articulation of the handle and ram linkage. Building shelves above the work surface, say 8" deep with a plywood back will stiffen everything up, provide a place where you can place your scale at eye level, and if you wish provides a good mounting point for additional lighting.