Most of the spindles are going to be like for like on lower end machines and even the cheapest are quite capable I paid £146 for a Chinese 2.2kw VFD Spindle water cooled combo and have had no problems whatsoever really pleased with the noise levels compared o air cooled where fans running at 24k can be annoying. Ask if they have any customers near you that you can contact, and try to take a look at one in action