So here is my predicament....my wife bought me an MES 30 about a month or so ago. It's the second generation model, model no. 20071514. I have six smokes in it so far, brisket twice, Boston butt twice, and ribs twice. So far, I love the thing, but I'm having trouble getting the desired amount of smoke out of it. I've read quite a bit on this site about the AMNPS, and everything seems great about it. I do however have a few concerns maybe you all could help put to rest for me. I'm not sure how comfortable I am with ditching the water tray. I have tried smoking without the water tray once already, and I had crazy temperature fluctuations. I was going from 35 degrees below the set temp, to 35 degrees above. This was according to my Maverick ET733, not the MES display. After that, which was my first smoke, I filled the water tray about half way, and can keep the temp within 6-8 degrees each way, again according to my Maverick. So, if I lose the water tray, am I resigning myself to huge temperature fluctuations?? The other concern I have is that my vent is on the side of the unit, not the top. Will that negatively affect the air flow necessary to keep the AMNPS burning?? I'm not really interested in performing surgery on my new smoker and using the mailbox mod, which seems to me the only way it could keep the water tray. The MES cold smoke attachment doesn't seem to have as many fans as the AMNPS on the site, although mostly what I have read is positive. The length of smoke it provides isn't much of a problem for me, as I don't mind adding chips every couple of hours. Also, I live in the Pittsburgh area, and pellets aren't readily available around here, and my local Lowe's carries chips if I am ever in a bind. Does anyone have experience using the MES cold smoke attachment as well as the AMNPS?? Which do you prefer?? Am I making too big of a deal out of the water tray issue?? Does using the MES cold smoke attachment strictly as a smoke generator affect the results of the end product when smoking in the 220-240 range?? Thanks all for your help in advance!! I love the site, and really enjoy all of the great advice and things I've learned!!