The workshop type compressors are great if noise isn't an issue, however it might be worth considering when you are most likely to use your new compressor, If it's in the evenings and at weekend, your neighbours might be none too appreciative of the noise from a workshop comp.
Also bear in mind, these are often quite large, whereas I run a Werther 3, which is both quiet, and compact, about 18 inches, long, 9 wide and about 12 high. The dedicated AB comps are more expensive, but then they are designed to different, and arguably higher, standards, particularly where noise is concerned.
Just my tuppence worth.
Karl