[fabrice_d]

If you are not in a hurry, I would wait for the reference device (codename 'Flame') that will ship in the coming months. It's not as high end as a Nexus 5 but FxOS runs superbly there (it's a dual core with 4.5" screen).

[Touche]

Sweet, I've waited for 2 years so I can wait a bit longer.

[w0ts0n]

https://www.youtube.com/watch?v=FJZZvXzTtCo

[Groxx]

A little context next time, please.

Link is to a video of Firefox OS running on a Nexus 4.