I hope they work well! I ordered the 36" to go with the 36" NXR range. I'll try to let everyone know what I think once they are installed. Still waiting on the range to arrive.

I am thinking about ordering this for my Bluestar...any reviews? though, with Costco's return policy, it's hard to beat!
(they're also selling it on the US site)

IMO ..... not deep enough for a pro range, ESPECIALLY A BLUESTAR.

Poor capture area due to the depth of only 20", capture area reduced even more by the light fitting depth , noisy tight baffles,

How deep does it have to be for a pro range? And what would you recommend, if not this one?

You want at least 24" .... 27" would be better. for my money 20" would be a disaster

Any specific brand/model recommendations?

Also, can a 36" hood go over a 30" range without looking ridiculous or being overkill?

A 36" hood would work better for sure, further I don't think it would look out of place at all or be overkill.

It would be wrong of me to recommend a brand.

The 36" Ancona on the Costco site is stated as 20" also - finding it difficult to find a > 24" depth 30" hood (or 36" for that matter) at a reasonable cost. Found a Broan/Best K42 hood for $2000US, but that is way over what I'm willing to spend on a hood.

Would a 30" or 36" hood with 20" depth work, if the hood were installed by my contractors further out from the back wall (lets say, 3-4") instead of buying a deeper hood altogether?

Also, what is the optimal height for this type of range? 30" above cooktop seems to be standardm but I suspect it would also be dependent on the height of the cook.

Any review yet Duvel?

chadw01, I also think it might make a big difference to build out a less expensive hood from the wall to effectively increase the depth. I have read in technical documents that passive features such as flanges, etc do help to improve the capture area of a hood, so I think the same would apply to a residential hood. Kas, in a thread that I started, also thought that that approach also makes sense.

Of course, it turns into a geometry exercise because my husband is 6'2" and a deep hood carries a head-bumping hazard. Going over his head means a really high hood, thus reducing effectiveness. Round and round.