pre amp or integrated amp

i want my 2 chanel listening to be better i have an anthem avm20 and anthem mca20 and mca50 mostly used for home theater but now want to upgrade so i will have better 2 chanel listening i am using paradigm studio 100sv4 and AM U using a musical fidelity a3 cd player wondering if using a pre amp or integrated am would be better was thinking of modwright sel 9.0 or something with ht pass through so i could use the amps i already have any suggestions would be great have about 2000.00 to work with thanks