All good info here, thanks everyone. There's nothing wrong with my chain as it is but I wouldn't mind changing that too in the near future so maybe I just take the leap to 1/8 given all the options going forward. I was keen on some of those Dura-Ace rings which do have 3/32 options but most of them are ebay based, and I was also keen on the debate that 3/32 chains are lighter and quieter but I can't imagine it's that big of a difference in the end. Ideally I'd love for all my cogs to line up size wise but as I understand it I can still use my rear 3/32 cog with the 1/8" chain so it's not a huge hit if I have to change the chain with the chainring.

Again, all good info here, thanks everyone. I'll keep ya posted when I pull the trigger on something.