This is true there is a lot more air/wind noise generated, I know someone who had a dust commander, he actually ended up making a sound insulated box to keep it in due to this taking even more space, also in my opinion the suction actually wasn't as powerful as a good quality extractor either, but that's just me.
Axminster make a cyclone vacuum I think but presume they will me expensive as it would be a trade item, may be a good idea to pop into them if you have an outlet close to home.
Keep us informed how you get on.
KR