I was in the same boat and went for Vredestein Ultrac Vorti in 19" sizes on my 20i.
I can't make a comparison with other makes but they're way better than the run flats in terms of ride standard. Never took the Zed out in the wet on the R/Fs but got caught in a downpour last week and the Vredesteins were grippy as heck - even spirited acceleration didn't get the rears spinning unless there was gravel on the exit.
Think they were about £450 plus £60 to have them fitted.
Ok anybody got any experience of falken azenis fk510
Reasonable price at protyre Leeds just over £400 fitted, read some reviews that are mixed but basically good in wet which I would say for uk is a plus, comfortable tyre that is quiet, mixed opinion by magazine testers in the dry but been honest I’m a very steady driver anyway, oh and also good rim protection