I guess i am kind of lost here. some folks are willing to pay----
Frank Pellow said:
How much would I pay? I think about $700 US for the base, $300 US for the router insert, and about $300 US for the plunge saw insert.
for that price you can purchase another mft 3 cut it in 2 add the back rail.
Save or sell the top (make sure you remove it before cutting

) and make another out of laminated mdf or aluminum.
Sell the other 1/2 on ebay and recoup your cost ;D ;D
now you can use steves insert setup which provides saw router and jig inserts now.
or any other router lift.
for a fence add in an IncraLS17 or LS24 set the mounting bracket up to drop into the hole pattern of the MFTand screw down like the festool clamping elements this fence is Superior to ANY any other fence in this application (If you don't understand why........It is kinda like a JEEP thing

)
Now you have a solution that may be more useful than CMS shown (cant cut dove tales on the cms)
(Editorial)
One of the things that really draws me to Festool is their "systems approach" it is such a draw because it almost invites customizing.
crosscut guide
rip guide
angle stop
32mm hole pattens
rail rulers
the mft3 rails are designed to have things attached to them nothing says that you cant design and build your own attachments.
Second many of their products are unavailable here inviting you to find parallel solutions.
Third Festool does suffer from groupthink and it does limit their ability to find creative solutions that are outside of their paradigm, this is a common problem with almost every creative group. ie the MFT and ripping and crosscutting 49"x97" sheets.
Finally Their price is high enough that it allows me to look hard at "making" an alternative. see above
Thanks Craig