I was able to fit 19x8.5 ET52 (on rear) and I went with 255/35ZR19 tires. Rubs in the rear if i have 4 passengers or on big bumps. If you're sticking with 225 on the rear, you should be fine. For the front, I went with 19x7.5 ET44 with 225/40ZR19.
I would post a pic but I can't seem to...