still researching

im still looking for that speaker i hope ill be happy with. thinking about coincident super eclipse, proac3.8, verity fidelio, talon khorus, sonus faber grand piano home or alon exotica. room size is 15'by 18'. speakers could be maximum 30 inches off back wall and 20 inches off one side wall. other side wall would be 5' away from speaker. looking for accuracy in vocals and piano. i have 2 setups. one with audio research ls25 mkll and vt100 mklll. other with bat60 and bat 50se. any opinions please.