Hope/dt Swiss is good combo, but probably cost more than you paid for the bike. A take off wheel set from someone upgrading might be a cheaper option.
They’re not mulleted at standard, is that something you’re planning?
As far as I know, there’s no objective scale for measuring fun, it’s always going to be an opinion, although most share the opinion that lighter bikes are more fun to ride downhill.
The only place I’ve found the ksl less fun than my full fat Kenevo is on technical e-bike climbs, the sort of...
The stories on here about a customer with a broken bike going back to the manufacturer/lbs, who couldnt help and pointed at shimano, who couldn't help and pointed at the manufacturer/lbs has pretty much set my mind that I will not buy anything with a shimano motor, at least until there's a load...
KSL is a lot of fun to ride, the weight saving over a full fat e-bike more than makes up for the lower powered motor, downhill it’s one of the best bikes I’ve ridden, uphill it’s got enough power to drag you up fire roads, although it’s not as fun on steep technical climbs as a full fat.