There's no such thing as "best" but I would definitely check out the new Musical Fidelity V-LPS II that is just going out to dealers in the US. It retails for under $200.
get to high 6's and get the PS Audio GCPH. Then you have an upgrade path with Underwood to truly compete with 10K phono preamps and out of the box it stands up to anything under 2500 that I've heard.
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