I'm in the UK too, and had the same question - so I ordered a pack of TY's from the following places:
and guess what... they're exactly the same.
Prices were similar, but the ones from blankdiscshop were packaged better when they arrived.
Frankly, I believe all of the TY's in the UK are going to be the same ones - every unbranded TY i've seen the past few months has been the same disc (computer shops, online, computer fairs) - thankfully, they're ALL GOOD.
The only difference between them, is that one is for inkjet printing (matt white surface), and the other just has clear laquer (smooth) which is good for thermal printers.
I suppose that the inkjet surface provides an additional layer of protection, but that's up to you.
Hope that helps