Looking for a new pre-amp!!

At present I have a Belles OCM 200 Amp and looking to up grade to a better pre amp. Looking at a Adcom 565

Sunfire pre amp and Aragon 18k or 24 unit. Also thinking about the Emotiva usp 1 pre amp. I a two channel guy and looking for the best unit with a phono section and great sound.

Any ideals as to the best pick for under a 1000 dollars?