I got mine last year around 7/10 and they had stock. Glass bowls were us made on the last batch, so I think their stock was lower at that point. I'd imagine they'll probably have more bowls this time around but I'm totally guessing lol.
Can't speak towards the controller version but my homies with the weedeater say the official carb cap is a real game changer in terms of function/vapor production at lower temps. Also iirc it fits the weedeater/vrod, and dcup/tsunami.. and has a removable dabber so if u ever decided to grab one...
I get a lot of hits from concentrates as well. It all depends on how much you load, I've found I'm able to get less wasteful//just as efficient sesh's from smaller packs. If you watch the NV owner guy's videos he loads these tiiiiiiny dabs which vaporize fully in 2 hits.
One more thing that...
Does anyone here use the NV/MaxVapor controller? I just bought the last one the internet had to offer and was looking for tips on how to use all the features. I have wifi and stuff set up, but I'm curious about using things like autotune, heat profiles and self clean with my flowerpot VRod