Similar boat, my 13" (not maxed out) touch bar MBP arrived last week.
The touch bar works really well. I didn't anticipate this, but it's really slippery. Feels almost like it's coated in teflon. Your finger just glides on it, moreso than the trackpad. Wouldn't have occurred to me, but the slightly rougher surface gives your finger a better feel for trackpad movement. On the touchbar, it's very wide and 1-dimensional, and the low friction is perfect.
The screen is impressive. DCI-P3 does great reds, and better greens than sRGB (but not quite as saturated green as Adobe RGB's). It's also very bright. I rarely feel like I have to set it for maximum brightness, even when I'm plugged in.
Keyboard is great. It took me maybe a few hours to get used to it, and I like it better than the previous MBP keyboards.
Being able to plug in the power cord on either side isn't the biggest deal, but it's nice to have. When your outlet is on the right side, you just plug it straight in. No more looping the cord around and into the far side.
My previous laptop is a 13" MBA (2011), and the new MBP is both smaller and faster.
Honestly, I don't use external devices that much, and when I do, I'm at my desk 99% of the time. USB-C is no big deal to me. Right now I'm still carrying USB-A cables because that's what my power bank is, so carry a one USB-A to USB-C cable that I can use to connect my iOS things to the laptop, or in case I need to connect to someone else's external drive or something. My personal flash drive has both types of connector.
Probably won't be getting any of the fancy thunderbolt screens, but I may invest in a thunderbolt docking station to get power, ethernet, and my existing displayport screen all running on one cable. Awaiting reviews on any of those, and need to confirm that they handle DisplayPort multi-stream transport for 4K@60Hz.