wheels

I'm currently looking at buying aftermarket wheels for my 208 1.6 e-hdi allure, currently running (16x6j ET27) 4x108 with a set of 195/55 r16 tyres. My preference is to go for a set of Japan Racing - JR 18 (17x8j ET25) 4x108 with a set of 235/40 r17 tyres on them to keep them under 1%...