A Dell Mini 10 doesn't handle Youtube just fine. It doesn't handle it fine in Windows 7, and it doesn't handle it fine in Jolicloud Linux. Jolicloud is one of the very, very few OS's that plays nice with the godforsaken Poulsbo chipset, with built in support, but it's still a framedropping mess with flash.
HDMI out, putting Hulu to a TV? Get ready for about every other frame to be skipped/dropped.