Suggestions on Air Compressor?

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Pancake air compressor recommendations?

I’m finally going to buy an electric, oil-less pancake air compressor for my home bike shop. Helpful for inflating and seating tires, sure, but quickly and effectively cleaning and drying parts is what I’m really looking to gain. I’m a total newb to compressors though. Any recommendations? I’ll probably go to the box store for one plus a standard accessory fitting kit. Is 3 gallons enough? Or go for 6? I gather I’ll need to buy a presta chuck separately - recommendations for those?