Not sure how many of you have tried the stuff from Warehouse Guitar Speakers, but they make some affordable alternatives.
The British offerings are WGS' take on many popular Celestions. I have have never done any direct comparisons.

I went for the Reaper (30W version) for my 1X12 Nolatone combo. This speaker is inspired by the 70th Anniversary G12H30.
It's very versatile. Cleans are well balanced. Rock tones are all there with a little more top & bottom vs. a greenback type speaker. Mids can be dialed in if you want more of that classic rock crunch.

Out of the box, I found the amph's pre-amp distortion to be a little harsh. But I put in some Tung-Sol reissue 6V6s. That really helped smooth things out. And I'm assuming the speaker will continue "break in".

Meantime, a couple clips :

Reaper-Medium Gain
Reaper-High Gain
Reaper-Clean