SP Parker's guide booklet on Eastern Sierra ice is a good source of info. That said, you could easily spend a week or more in the Palisades:
In addition to the long couloirs visible here (U, V notch) and another one you can't see (Clyde), the Palisade massif has five summits above 14K', for which the easiest ascent route is class 3. There will probably be lots of snow/ice this year in August; the photo above was taken in Sept. of '08 which was a drier year.
The traverse from Mt. Sill to Thunderbolt (visible in the following shot from the summit of nearby Mt. Winchell) is a huge climb that I've never done but several on Summitpost have:
On the hike in up N Fork, Big Pine Creek you have Temple Crag, which is itself a destination for grade III+ alpine rock routes.