@wonderwoofy: ssd? On my hdd networkmanager took 8s to start, now connman takes 1s!!Great!
I hope you can find something, as I can see no reason why NetworkManager would be considerably slower than netctl. Typically dhclient is about as fast as dhcpcd.Maybe you could try connman-git from the AUR. It is controlled with connmanctl, for which there is no included man page, but looking therough the --help output I was able to figure it out just fine. There ia also connman_