Good idea... if I was doing the solo thing I'd grab it. If you make the pegs lie flat they won't be too obvious, which'd mean you could just pull off the pillion for the solo look. Loved the hammerhead bolts - will they fit on the standard rear peg hangers? Probably not a lot of point with the recesses in the OEM hangers I guess.
Know what I'd REALLY like to see you do tho? Find a reasonably priced source for those replica HD softtail toolboxes and fabricate brackets to mount them and rear pegs, and sell the lot as a kit. I know they come in black as well - perhaps the speedmaster crew'd be interested in them.
Keep up the good work Brent... you'll keep all of us poor at this rate

Matt