MissKitty - not sure I can convince you, you have been at this a lot longer than me, but after 17 months, it seems I have migrated to a few specific toppers. The cartotank being the number one for me.
I like the Fogger/Kayfun/Taifun type toppers and have a few of those, but going forward, I am finding I want to "fiddle" less and "vape" more, and the cartotanks give me that ability. Even though I am female, I am not partial to colors and as you can see I am pretty boring in the color department...and I do like the SB's with the 25mm IBTanks - lots of vaping and no fiddlin'.