Dan's Data take a look at the Sennheiser RS 65 headphones
The unifying characteristic of consumer cordless headphone systems used to be, of course, that they sucked. Crummy sound, lousy range, poor ergonomics.Read more
For a lot less than you used to have to pay for a good wireless 'phone system, Sennheiser's RS 65 headphones solve all of the old cordless problems. They're not perfect, but they're very good.