The Nexus 4 also recently returned to the UK Play Store, but overall, the Nexus 4's distribution was one big failure. The handset has been out of stock longer than it has been in-stock, and that's not simply because of the great demand, but due to supply problems. Google hasn't really sold so many Nexus 4 units, so the unexpectedly high demand can't be an excuse.
That said, the Nexus 4 is indeed a wonderful smartphone, which is still perfectly relevant from hardware standpoint. So, if you are looking for a great smartphone at a good price, you might want to consider this one.