Wine cellar recs?

radiolysis thought this was worth mentioning said

I’m in need of a new wine cellar. Any recommendations on these three choices?

Used 400 bottle cellar with a whisperkool unit

Used 150 bottle eurocave

New 175 bottle wine enthusiast unit from Costco

Buying new from Costco has its draw – a warranty to fall back on – but the used market has some nice cabinets at much lower prices.

Anything I should be on the lookout for?