Well, I'm still super happy with this tool and managed to finally snag an mt55 to compliment it over the weekend. Big brother hasn't seen any action yet beyond laying it on it's track, pushing it back and forth, and making truck noises (vrroom vroom!). Went with the mt55 over the festool for a few reasons, mainly the fine touches on this saw that for me push the mafell slightly on top of the festool. Keep in mind I've yet to cut anything with this tool yet but it's love at first site with this puppy. I noted jmb's criticisms of the saw and tested it out for myself they didn't seem to be an issue, in fairness I could be blinded by lust, but I found plunge action to be smooth and effortless, dropping it on the track all easy peasy. Could use a plug it though, and I'll have to field test track grip
The package I picked up consisted of two F160 rails which, when combined give me about 10' of track. Connecting the rails is fast solid and sturdy, you can simply slide the connecting piece back into one of the rails when not in use and back out when you're ready to join another piece. I locking it in place involves a quarter turn a piece on four tightening bolts on the connection bar, really a smart bit of engineering you have to see up close for yourself. With the kit I got a parallel fence, the position indicator and the angle track, which works similarly to the cross cut track on the KSS 300, minus the spring loaded capability and it uses a sturdy fence that protrudes beyond the track that has slots to attach the mafell f clamps to. This wee bit of track is meant to be connected to one of the longer rigid rails for accurate angled cuts.
So ya, so far impressed, really solid build all around, this beast should last a long while.