Settled on a nice little 2.1 setup. KEF LS50 black edition, KEF Kube 8b. Nice and blended. May raise the LS50s to ear height with some stands but otherwise happy for now.
Kube8b Subwoofer - Compact Subwoofer | KEF EU
KEF - Kube KUBE8B 8" 300W Powered Subwoofer - Black - Open Box | eBay
ACTIVE SUBWOOFER KEF KUBE 8B | ConcertoAudio.com
KEF Kube 8b
User manual KEF Kube 8b (English - 20 pages)
FS: KEF KUBE 8B 8" Subwoofer for Bookself Speaker | Stereo, Home Cinema, Headphones Components