Ok well the minimum atm is $200, excluding other offers.

17 skins
-demonblade trynd
-swamp kennen
-pharaoh nidalee
-dreadknight garen
-primal udyr
-acolyte lee sin
-aristocrat vayne
-cryocore brand
-arctic warfare caitlyn

Those are about the skins I can remember off the top of my head

I own almost all ap's except for ziggs. All Ads except corki and mf. And I don't own severalvof the new champions (because they suck)

4 rune pages filled with 4 sets of different runes (AP, AD, Bruiser, and a movement speed one.)