I also feel like my dps is plateau'ing on my spriests. I can't remember their exact ilvls, but I want to say the one with PnE is around 480 and the one with THA is around 488. And I think they are doing just about the same dps. I was owned by a fellow Hunter guildie in the Last Stand ToT LFR last night and he is 489. He was low 100s, high 90s throughout the fight and I was stuck mid to high 70s (not flasked). He ended up in the high 80s (the multi-mobs in the beginning is what carried him) but I was still pretty disappointed.
I highly recommend you hitting up McBrain for some pointers on face-melting. He's one of those 98% or GTFO performers, and he really knows his stuff, and he's currently face-melting again.
This weekend, I'm looking forward to finishing off HoF. Yes, that's potentially a tall order, but if we get full raids I'm confident we can knock it out. Tonight we will be extending last week's lockout and smashing WindLord, Ambershaper, and Empress. I'm not so worried about WindLord, we'll try 1 tank, 3 heals, and mad AoE for the adds... and we'll make adjustments as we see fit. I plan on healing this fight as Discipline for Barrier and SS for the intense periodic raid dmg... leaving the throughput responsibility on our r.shaman and r.druid.
Ambershaper will take some practice since so very few people actually follow construct mechanics in LFR. If you don't know exactly what I'm talking about there, please watch
Empress (if we get to her tonight) will be brutal for our healers. Please do what you can to min/max your toon for this fight. I'd love to knock this out and be done with HoF as a guild.
As always, have a great weekend and I look forward to meeting up with you all in-game.