Velious has a few good spots for the right classes. Druids and Rangers in particular have more options thanks to more animal-friendly zones. Wizards and Druids get a few more quad-kiting spots that are excellent. Plenty of low-effort root rotting spots added for Necro and Shaman, though they didn't really need anything new.
You'll have to find a buddy/bring a friend to most Velious zones though. While leveling in Eastern Wastes I was usually the only person in zone not farming/questing for ring items/drops. Other zones like Wakening Lands will always have people factioning and soloing.
I've done 39-53 on my Druid mostly in Velious. Its a nice change of pace and most zones have a great feel to them. Just expect to find most people doing the cookie-cutter Oasis->MM->CoM->KC path to snoozeville.
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Some kind of... Bubba Ho-Tep?
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