You guys are great

The best thing is you assume a level of intelligence and knowledge that I quite clearly don't have

. Single term names like z6 or bt 14s, magic, its like translating mandarin. Anyway here is my best attempts after reading all the posts and some other threads,
These are Internet prices for the pair delivered, so there's still fitting charges. I assume I need to (or am better to) buy a pair? (front tyre's got apx 3mm tread)
Pirelli DIABLO STRADA £160
Continental RoadAttack £150
Metzeler Roadtec Z6 £165
Bridgestone BT 014 F £170
Michelin Pilot Road £175
Bridgestone BT 020 F £170
I do apx 30 miles commute every day in all weathers, i also try to get at least 2 decent runs per week 1 - 200 miles so probably looking for something quite hardy but with good levels of grip wet and dry. reckon 10000 miles a year but that's only a guess.
Sorry if I'm being particularly dense but