Reasonably fast boot time. Yes my XPS seems to be booting about half the time I open it, due to power management or windows updates, which is annoying. But what makes that extra annoying is that it spends like 45 sec each time just in the BIOS step. What on earth does the BIOS do that needs so much time to run?

(Other than this I do actually quite like my XPS. Though I do wish I had gone without the touchscreen. It's just annoying because you can't wipe grime off without it causing a touch.