If the price drops, in anticipation of getting rid of inventory, as Google prepares for the next Nexus...As happenned last year...I'll buy another N5 in a heartbeat..."Nuff said? Still an excellent phone!
64 bit most useful feature is increased RAM recognition. Not much of an issue with current phones.
Now having said that, the next Nexus if there is one is due soon, so I also plan on getting one of those...Depending on its features, QI, charging and at least 32GB Storage, being the most important.