Sonalksis have been Lion compatible all along but not 64 bit, although that upgrade costs 55 Euros. Not unreasonable if you have as many as I but a bit pricey if you only have one.
Anyway imho they are among the very best and I don't mind paying an upgrade fee now and then if that means they can stay in business.
Having run a Lion test installation for a little while now, here is a (fairly long) Audio Unit update, starting with 64 bit AUs. Please note, this is not a fresh install of 10.7, rather, an upgrade of a cloned OSX 10.6.8 + Applications:
Validated and running in Logic Pro 9.1.7 in OS 10.7.4: