It's rather common for 285's to be more than 295's. Supply and demand kinda thing. 285's are in higher demand so they charge more.
Like I said earlier, that 285 I run in the back leaves me a LOT (very close to an inch on the outside/why I run a spacer) of room to spare and I have not even rolled the rear lip yet. So I still vote for 255/35 and 295/30-18 :-) But you will have to roll the rear lip for it to fit(mostly because the toyos have a 1" wider traction patch compared to my 285 sumi's). And aftermarket trailing arms. No rubbing anywhere. No stupid camber either. I run stock height and stock alignment settings. Hate that "hella" stuff.
Have you bought the wheels yet and are you fixated on a square setup? Those 295's will never work up front without (see yellow van above) mods to the body/alignment.
Should also note, the 285's in the front cause the car to track (annoying as hell). The 255's I have run perfect.