I picked up my M3P at West Drayton yesterday and had a 220 mile drive home to evaluate it. First impressions were pretty much as I expected - the performance is amazing and the tech is (mostly) impressive. Against that I've lost a considerable amount of comfort and refinement - above 60mph wind noise and tyre noise is very noticeable. There are, though, four things in particular that disappoint me: TACC - it's quite jerky and I experienced phantom braking on many occasions, needing me to intervene by accelerating. Autopilot - I keep my hands rested firmly on the wheel, but it keeps asking me to apply steering pressure. Apply a bit too much and it turns off. And the fact that it turns off when you change lanes makes it all but useless on a busy motorway. Driving status on the screen showing surrounding vehicles - it shows vehicles a good couple of hundred yards ahead but vehicles approaching from behind are not shown until they are almost level with my car, which makes it useless as a warning for cars in my blind spot when I want to over take. Speed limit recognition - For years I've enjoyed traffic sign recognition that will automatically lower my speed when, for example, I enter a 50mph zone on a motorway, then speed up again when I exit. Same for gantry speed limits signs on smart motorways. I can't quite believe the M3 doesn't have this. Presumably the hardware is all in place, so these improvements/omissions will hopefully be sorted in future software updates. Tesla describes much of the software as "beta" and it most certainly is, though not perhaps in the way they understand it.