Cree has added a 100W equivalent, that consumes 18W. Not as energy efficient as the 40w or 60w equivalents, and slightly taller so it won't fit in some fixtures.
edit: Home Depot is listing these for $20, no utility discount for them yet.

They've also got more stuff in the pipeline, with 303 Lumens-Per-Watt in development, so we should see even more efficient lighting in the future.