Tyre choice

Hui Guy’s
As it’s my first post on Exiges.com I’m relatively new to this so be gentle with me!
I’m in need of replacement rear tyres for the Exige (S2), current ones are Yoko AO 48’s.They’ve done about 8k which I believe is about average.
I’ve tried a couple of places and cannot get AO 48’s - What are the alternatives ? Cost is not a major factor but I would like to esnure year round use and don’t intend to do any serious track work.
Your help and assistance would be appreciated.

do a search on this many tyres available

Toyo 888
Goodyear F1’s

are the two most used after A048

Thanks MrD06