My weapon of choice for "subjectively superior" mediocre off/on road performance was an old 2006 TE610. Lightweight (310#ish), many farkles available to tailor the bike. Plenty of torque (576 cc). Will do log road/fire trails all day long and can cruise at 70 as well. It has a carb(repairable in the field). Durable motor. The downside is the inability to find parts in a hurry.
Dualsport should be listed in the dictionary under compromise, cuz there is no clear weapon of choice.
2006 Husqvarna TE610- TAT 2013 survivor!
2008 KTM 300 XCW-e
1993 Harley Heritage Classic