Any question answered...

I would say no. But then that's more down to personal preference than anything else. Once you have mitts/gloves on, as long as it grips and has a bit of 'give', is there that much difference?

Not worth RRP. Maybe if you can find it under £20. Otherwise get some Fabric Hex tape.

I found the Lizardskin tape very slippery in the rain.

No. It feels very nice to use, but your bar end plugs will keep falling out. The Lifeline silicone stuff is good and very cheap.

I think the extra thick one is