I have just put 1000 coins up on the auction block: five hundred 1BTC coins and five hundred 0.5BTC coins, in twenty lots of fifty coins.
https://bitcointalk.org/index.php?topic=175969.0
https://bitcointalk.org/index.php?topic=175972.0
These auctions will end in 24 hours.
EDIT/UPDATE (Apr 14 16:01 UTC): Bitcointalk.org appears to be having some issues this morning, serving error messages instead of forum pages, which may result in me exercising my option to cancel and reschedule the auction.
18:50 UTC: seems to be fine now.