Sounds like it could be the notorious switch problem. There was an earlier post by Inhalater with a video to fix the switch with wd40. I'm not sure if the video is still available.
Best vapor production and longer charge time - XP. More efficient - Pinnacle. My preference is the XP because I prefer higher temps than what the Pinnacle is capable.
Ed's stem and the stock stem with a bit of silicone tubing on the end both work for this purpose, but the beauty of the PV solo gong piece is that it is shorter and much easier to handle.
If you are vaping oil, that's probably your best choice, but if your vaping flowers, the Cera may not be the best for you. The Cera has a very small bowl and I noticed that was one of your complaints about the iolite.
Those who had the original Cloud were offered additional warranty when upgrading to the Cloud + for $150, if purchased prior to their original 1 year warranty. VapeXhale never stated that new Cloud plus owners could upgrade the warranty more than the new 2 year warranty.
Edit - just read...