I tend to agree with Dan for the time being hybrids are more about showing other people that you care about the environment. Also the break even point on most hybrids right now is somewhere in the neighborhood of 7 years.
Unless they can bring hybrid costs down very soon, they aren't a viable solution IMO.
People have already started changing their driving habits and I think it'll continue, year over year for the month of April the miles driven in the US went down by 1.4 billion miles.
We really need to focus on increasing the supply, we need to able to do off-shore drilling and do more drilling in Alaska. With the speculation going on in the Crude Oil futures and the increasing demand from China/India raising the supply is the only real way to stop the runaway pricing.