Upgrade from Quad 11L?

My current setup:

Music Hall cd25.2
Music Hall a25.2
Quad 11L
Onkyo T-9 tuner
Audioquest Alpha-Snake interconnects
No-name 12-gauge speaker wire

The 11Ls just replaced Paradigm Mini Mk3s. A big improvement: I love the Quad's detail, clarity, and pace. So much that I'm contemplating an upgrade to Quad 12Ls (if I can find the old version) or Quad 12L Actives (which I know I can get; the MH a25.2 would serve as a preamp).

My sense is that the system as it stands is well-balanced, and I'm actually very satisfied with what I hear. So I'm trying to decide whether this is an itch I should scratch. My suspicion is that I should stand pat and think about long-range upgrades rather than tinker now, but input would be helpful. I listen to all kinds of music, but Wilco and Radiohead are playing most often. Thanks.