Yeah i feel you. I payed 46 on Amazon for the Blue Ray of Part 1, and i have part 2 pre ordered now for Blue Ray but that was 40. 86 bucks is a bit better but still overkill. I hate when they don't put all episodes in 1 set.
I think other than that the most expensive set i ever bought was Darker Than Black Season 2. That was 12 episodes and an OVA, with Blue Ray and DVD sets but it was 50 bucks.
That's my thought on any set of season set. Or buying TV in general. 50 bucks is way too expensive for something I can watch for free on tv or internet. Please don't bring up how those both cost money. Those are like necessities.