Infected Wounds: If you have a Warrior MT, him not having to worry about TC is pretty good, especially if as people are beginning to suspect, rage won't be such and infinite resource and threat will be more of an issue. With so many free points outside of our required DPS ones, its an option. Not for everyone but I certainly wouldn't dismiss it off the bat.
Nuturing Instinct + Perseverance: I think these are pretty much wasted talents for PvE cats. Healers won't notice a bit extra healing, if you take damage you're still going to get over-healed. Same for Perseverance, any raid damage you take has to be what others can survive assuming its meant to happen to players. 4% less spell damage is not really anything. There may be a fight where this is really beneficial (pre-nerf Freya+3 springs to mind) in mitigating some really nasty one shots, but in that case you can respec. As part of a basic spec I'd much rather for 4/5 or 5/5 Furor for times you have to shift (CR, Innvervate, etc...). It's not massive but it's better than Perseverance in my opinion, especially when we have so many survivability options already.
I belive you have missed everything Blizzard have said regarding healing on cataclysme. They have stated that a healer have to make choices betwen the small and light on mana heals, the fast but expensive heals and the long but medium on mana heals. They also said that they want dpsers to think about not taking to much dmg as that will drain healers mana to quick. Therefor any talent there can help healers out even by recieving more healing or taking less dmg from spells is a major plus.