I haven't noticed any Cleric or Druid nerfs in Pathfinder. Clerics have less archetypes available to them because they have less class options that they can swap out in favour of something else however.
The glory of the Cleric is it only has one class ability - turn or rebuke undead. Just look here: perfection. One ability, and they TOTALLY ROCK. (Plus spells and Domain spells).
Having played tabletop 3.5 as a Druid, I noticed PF nerfs to Druids since I couldn't totally dump my physical stats. (PF Wild Shape and polymorph effects don't replace stats, but instead modify them.) I also couldn't transform into Dragons nor Celestial creatures. There was also no PF Planar Shepherd. (Yes, I played a 3.5 Planar Shepherd in a party - of Lamannai, the plane of nature and not of the fast time plane of Dal Quor!)
On a whim, I've added this option to next version: Though I wonder how many people will actually use it...