Thanks for the comments guys, we at Profaudio do try to keep our customers happy.
Norman 86 that cab looks stunning. TF0818 is an interesting choice, not really a guitar speaker but happy to hear that it works for you. Might be interesting if you post it on the Celestion International Facebook page.The first guitar speaker was the Celestion Blue which was really just a modified radiogram speaker so any of the high QTS less costly paper cone speakers could work out well.
modulator have a chat to JP Le Roux if you feel the extra 5W over the Eight 15 is a must. He does bring in Jensen and may be able to source others as well. He is also one of my biggest Celestion customers.
The thing to remember with guitar speakers is that are made to perform and distort in a very specific way unlike PA speakers which are trying to be reasonably accurate to their input.
What is starting to really put the cat amongst the pigeons is the move to profiler amps such as the Kemper and other similar ideas. Now we need an accurate speaker that responds like a guitar speaker but does not colour what the profiling amp is trying to do. Celestion of course will have this covered soon.