Had a Mini 9 for a couple of days now. It arrived with XP which I cloned before removing and am now on OSX. I will though be getting a larger SSD
(currently on an 8GB) and then dual booting.
Reading around I see there are little things to watch out for with different BIOS versions that apply with all OSes (e.g. battery charging with non Dell batteries) and some that are particular to OSX (such as different sleep/wake behaviour).
I am on bios A04 - is there any good reason for me to upgrade or downgrade? Or should I stick to the mantra of "if it ain't broke don't fix it"?