Good for you! Congratulations.
I'm about 4 weeks ahead of you and hoping to take delivery around May 15, according to the latest update from my CA at Fields. I ordered my 128i in space gray and with premium instead of sport package. I liked the sport package, especially from the exterior, but half my driving is on the uneven brick streets in central Orlando, and the dips and potholes have done a pretty good number on the front-end of my current car.
Had some initial misgivings about the automatic, like you describe. For me, it was mostly how much it suffered in a head-to-head comparison against the 135's DCT. I haven't driven a manual since I was 17 so that wasn't really an option.
I think it's all in what you're comparing to and what you're looking for. So I went back to Fields a few days later and test-drove only the 128i, so that the comparison was by feel against my '06 Mazda 3s instead. That's a 2.3l four-cylinder with a four-speed automatic. When you go head-to-head with that, the 128i was much better-suited to fun on the winding roads and hills around northwest Orlando. After all, in the '80s my dad drove a '74 2002 my grandfather had given him, the legendary 2002, and he loved that car. It only had a 2-liter 4-cylinder engine. (Of course, it was 600 pounds lighter, 14 inches shorter and 6 inches narrower than my Mazda...)
It's really a shame that BMW is phasing out the N52. I absolutely loved the sound of that engine from the moment I heard it come on. I would've waited to see what the 2 Series looked like, but I'm partial to naturally aspirated engines.