TheJigStore has the same complete jig package - for $329.99. And - if you JUST HAVE TO HAVE a jig that'll do TWENTY FOUR INCH WIDE BOARDS! check out the 24 inch model of the AKEDA.
If you're considering getting a variable spacing dovetail jig that'll do through and half blind dovetails and box joints - and half blinds in rabbeted/rebated drawer fronts- and sliding dovetails - this Jig and EVERYTHING You Can Stick On It package deal is worth looking into.
The AKEDA is a Third Generation router based dovetail jig sytem, the LEIGH being a Second Generation router based dovetail jig system. It is an extremely well thought out, well designed, well made system that works well and is easy to use (like all dovetail jigs, getting the bits set right DOES require some test cuts, regardless what the ads and brochure say, or imply)
I've put up the pages I'm "almost done with" and will be revising and cleaning things up over the next week or so. But what's up has a LOT of subtle, but important, things about this jig that make it different - and IMHO - better - than ANY other variable spacing dovetail jig out there.
Disclaimer: I have NO connection with AKEDA, any outfit that sells it and paid the going price at the time for the AKEDA I have.