Because of geographical limitations, largely digital for me. That said though, when there is a game known to be fully playable in english, I'd scout it out here first just because of the yen/pound difference. I could have gotten Horizon:ZD for about 30 quid when it first came out, but then it seems the stores had gotten wise of the value before I could stump up the cash. It would have just been put on the POS for a while anyway.
My largest purchases (Witcher 3, Destiny) have been digital, but I won't go digital for new releases- they're priced way too high.