Earlier quoted context omitted.
Expected the new XPS to have a developer flavor soon, but also expected it to be limited to 16GB still. Was not surprised since the Windows version has the same limit. Went ahead and purchased a 32GB System76 Galaga Pro last week with the same i7-8550U available on the XPS. It's a slightly larger 13", but feels a lot closer to my 5th gen XPS 13 than the MacBook Pro the Galaga replaces. Comes with a retina-like matte…
You could go precision though. Which is what I did. Precision 5520 has an Ubuntu option and works flawlessly with Linux. 32-64g of DDR4 and 12h of battery with the 9cell upgrade I should know. I’ve been using one for nearly a year.
Holding out for next generation of Intel (or, now, AMD) CPUs before picking up another Precision. Great, beastly powerful machines, have been running Fedora since 2010 on Precision line.