[welcome] to the fog
i have a ct22 and a boom arm bolted to the wall behind the mft.
yes it will fit with the workcenter .
a boom arm is price less , once you use it you will understand.
the 350 dollars depends on how you value your time and how scarce it is. if you have the time you could make a very good version for the shop and save most of the 350. if you want it for site work and dont have easy access to pro metalworking tools then it will probably be worth it for site use as the festool version is small and compact .