K&K Maxxed-out vs Aesthetix Rhea

I'm thinking of upgrading my phono pre, now I'm using a Hagerman Cornet made with naked Vishay, PRP resistors, Mundorf, Sonicap and V-caps.
My system consist of Michell Gyro, tecnoarm, Shelter 90x, Atma-Sphere M-60, Atma-Sphere MP-3 (line only) and GMA Eos HD.
I was thinking of spending around $2500, witch is the price for a used Rhea or the price for K&K kit with all the options.
I was wondering if somebody had the chance to compare these two phono stages?

Thank you