I am trying to find some fun in my surfing, as it seems I have lost the stoke. I have been looking at getting a soft board for fun in summer waves. Prices seem to vary between $180 - $500

I am 100kg and can surf. (meaning I can paddle, take off, stand up and turn) 60 years old, not really fat, just barrel shaped

My pu boards are 7' to 8'.
I thought maybe a 7' softy.
Anyone with experience in them?
Is an ebay cheapie worth it?
Or just get a fat summer surfboard?
Looks like fun to me, I need some fun.
Cheers