I've started picking up the Scottsdale 10oz stackers and am in love with them! They're a tad costly since the Scottsdale name carries a premium, but I do think they're worth it. Photos below to compare them to other 10oz'ers in my stack.
Only have 3 of the lil' bastards for now. I like that they're small but thick.
Front, back and sides:
Compared to some other 10oz bars I have:
The APMEX 10oz stackers are actually made by Scottsdale as well, so they're the same form for a slightly lower price. I may pick up some of those during the next dip.