I've been running an A8-3850,F1A75-m pro combo for a week or so now on a 150w pico.
8gb 1866 Gskill,(got it cheap while I was in the states a few weeks ago)1 ssd,1 3tb storage drive,a slimline bluray,usb wireless dongle,mouse and keyboard and a couple of 80mm case fans.
I was a bit worried at first as slimline opticals have a large power draw on spin up,but after stressing everything thoroughly for a few days it's running great.
Gaming on 720p with medium/high detail (depends on game) is fantastic without having to switch on the powerhouse watercooled (electric eating)beast.
Media playback is also fantastic,plays perfectly anything I've thrown at it in umpteen formats and resolutions without missing a beat and more importantly no stutter,ever!
So my point is that for anyone who was worried about running one of these on a pico is don't be,it's fine.