Save my lvl 80 boost or use it before PoF
I think you can earn Hero Points faster with more level 80 chars too right?
Not completely sure what you mean here, but points are character bound. Having more levels 80s does not make it any faster to get HPs for each one to get thier elite, other that learning the most efficient methods with each subsequent character.
If you buy PoF, you’ll get another level 80 boost. It’s not a prepurchase bonus.
Finally, the game gives you tons of Tomes of Knowledge via login rewards and PvP/WvW reward tracks. So if you play even semi-regularly, you’d be able to instantly boost multiple toons to 80.
If Holosmith is grabbing you and you are happy to be up to speed on the game with your other level 80, I’d use the boost to prep your engineer ready. Holosmith seems to be the one I’m hearing a lot of positive comments about Vs the other specs. This has come from in game chatter. I would def avoid listening too much forum chatter about the new specs. Apparently they’re all “broken” and none are fit for release, which I find nonsense.
One further thing, be careful who you buy HoT from if you are getting ti cheap. A lot of dodgy codes going round from places that aren’t registered as official partners.
I main Ele and Thief and I used my boost on a new Warrior.
The Warrior is meta in all PvE content, and the new spec will be meta in PvP.