Originally Posted by All She Wrote

1. First is still quieter, quicker service, nicer seat, bigger IFE, more private, food is better, etc
2. See above
3. Although the lounge is nicer, I wouldn't be too bothered about that, there'll be another chance to do it
4. The avios you collect from the flight will get you halfway to an off-peak W-J upgrade
5. Staying awake means you can enjoy the service etc

As far as cons go I wouldn't pay much attention to those ones, I certainly wouldn't hold your breath for F availability to open up if it isn't already there though, the chances of getting it are very slim!