I've just installed that new PS4 firmware. It's good! Remote Play is really smooth now, it's not quite as lag-free as the Wii U Gamepad but it's certainly smoother and the new 60fps option is good! Suspend is really useful too. Just gave it a go with GTA Online, obviously it logs you out but there's no boot up sequence. It just goes to the Online joining screen. Haven't tried it in a single player game yet but I imagine it's going to be even faster. Very pleased with this.