high mileage tyres on gs 800

Needing to replace front Mitas and rear Hydenau tyres again with 25 % tread on and about 10k km after finding cracks around the blocks. Use have been  90% on tar higway at 80km daily
Any tyres with good milleage reports and a good price  as well or specials going here in CT

Craigs- R3300 for Michelen Anakee adv set or  R3130.for Bridgestone A41 set

Tracmac -Spencer says best tyre is Metzeler tourance  R3154 for a set

Any advise/input  appreciated