I would agree with Igor about the calibre of people on the Sidefx forum and other Houdini hangouts - a good number of whom are very helpful. TBH it's felt a little like moving up from school to university. That's not intended as an insult to the excellent skills and know-how of those helping out here - or on the Blender forums - It's simply the case that given Houdini's place in the CG world, there are more high level users at high end studios doing high end work. Mixing, however tangentially, in that sort of company tends to sweep the junior users along for the ride.
When newbies such as myself get forum questions answered - often with code or sample files - by TD's from ILM and the like you do tend to pause for a moment : )