I like fatter necks on guitars, they suit my big hands and stubby fingers.
I have started thinning out guitars that I own with thinner necks, I used to be able to swap between them without any problems, but not any more.
I have a nice collection of Westone guitars, most of which have thinner necks, I took one to a rehearsal the other week and lasted two songs with it.
Here's the thing though, I'm mainly a Tele player, and until about a year or so ago I used my two Mexi Teles, which have chunky-ish necks. I have had a Soapbar SE and a Gibby Melody Maker both of which had chunkier necks, and these increasingly got more play time live, though sometimes the sound didn't suit.
Then I got me a used Baja Tele. which became my workhorse as the necks on these are really nice and chunky.
Then last week, I took along my two SEs, the old Soapbar and my recently acquired, well used Tremonti. I have to say not only did they both work comfort wise for me, but I think the Baja may be taking a back seat for a while. Those wide-fat necks just seem to work better for these ageing hands, even more so than the Baja!!!
I have to say I do think there is a marginal difference betwen the Soapbar Singlecut which is a 2004 and the Tremonti which is a 2001. The Soapbar just feels a little more comfy, though I use the Tremonti more live as there is a fair amount of hum from the Soapbar.