OS X Lion 10.7.2 has been seeded to developers just three days after Lion's public release. Oddly, there has been no developer seed of 10.7.1, which probably means 10.7.1 will be a bug-fix update coming within the next week or two.
OS X Lion 10.7.2 seeded to developers | TUAW - The Unofficial Apple Weblog
OS X Lion 10.7.2 seeded to developers | TUAW - The Unofficial Apple Weblog