Here are a few of my favourites not in order.
I will say that if what you choose has not been recapped it should be done to get the full potential from them
Celestion ditton line
Ditton 33 if you can find them.
Ditton 44
Ditton 66
With Ditton's you Must recap them if original. It makes a huge difference.
AR9 are Awsome now quite pricey
AR 3a same thing.
AR 4x are decent for the money
IMF TLS 50 and 80 are awsome.
EPI 100's ok for the money
JBL early L line
100's are cool but screechy and tiresome. Crossover upgrades can fix this. Great punchy bottom end on all the L line. 19, 26, 36, 46, 50
Apparently L112 are very very good.
Yamaha NS 690 and 1000 are quite good. I have 690's
KLH model 6 not the 17 are the ones you want IMHO. Had both
Snell Type E. Close to $6000.00 Audio Note ANE., seriously.
Tannoy Gold's in various cabinets
Boston A400
Infinity Kappa 8 and 9. Had 8's. You need to mod the crossover on the 8's so they don't kill your amp.
Paradigm 9se and 90p monitors. Both good speakers. Most of the monitor line are considered quite good.
All suggestions should be under
$1000.00 eccept the Tannoy's
As I mentioned earlier.. I recapped most of them and put them in front of quality gear so I beleive I heard them at or close to their best.
Good luck