ejc252 :
No skill ups not so bad through those levels as you can possibly catch the occasional besieged for skill up provided your home point is set somewhere reasonable.
Problem with Besieged is that you usually need a good amount of staring skill and accuracy to even hit. So if you've fallen too far behind, Besieged won't be of much use. This isn't a problem with magic skills, as there are ways around it. 1 handed weapons really seem to be hard to skill there without a good head start, 2 handed weapons are a bit easier to get started with.
ToK Darius :
On average I get about 5k per 1-2 hours depending on how often the campaign battles are.
That sounds about on par. It's theoretically possible to get close to 5k an hour, but that's nearly impossible unless you've managed to find one really long kick ass fight. When you take into account travel time, recovery time, dud battles, missed xp because you were dead for 10 mins, etc. 2-3k per hour is about reasonable.