@kevemaher - I suspect the crossover is not the biggest issue. I actually own a Sublime K235 (their newer model) and it seems pretty good although I don't currently have in my system. The graphic equalizer has many more lower-quality op-amps and capacitors in the signal path, so I think this is probably the bigger issue.
If you really need equalization, I'd suggest looking for a decent DSP preamp, such as the Anthem STR or DEQX Pre-4.
Another option is the Danville Signal DSP Nexus. This isn't quite as fancy from a case-work perspective, and the software is quite complex (but there is good support), but the sound quality is pretty good using the latest AKM DACs. I also have a DSP Nexus 2/8 that I've been playing around with.
And then there are the Trinnov systems although I don't know if their products support a phono preamp or even analog input.