Skins ?

Hello so i got these skins [URL=http://www.part.lt/perziura/36c36a2b7f0fa4aed2d80573f2dd1f1b1.png][IMG]http://www.part.lt/img/36c36a2b7f0fa4aed2d80573f2dd1f1b1.png[/IMG][/URL] , okay so i will be adding 1925 rp this time . so i can buy some skins from this . okay so im buying darius and for others i dont know .. i will have like 1390 rp left so i can buy all of the skins (mf cost 1020) (Arcade riven cost 810 ) (teemo 487) (darius 628) (tristana 528 ) (annie 292) . SO tell me please which of the skins are good because im getting darius and the others i dont know havent played with them !