Yakuza 0 (PS4) is £39.99 @Amazon. Get it for £37.99 if you're Prime member with their £2 off pre order jobby
Makes it slightly cheaper than the recent TheGameCollection deal @ £38.95
The advice in that thread seems to be the price of this will drop like a stone after release but if you want support the developer, buy now.
The developer, in question, is that small indie Sega