from IRC
[02:19am] Luke-Jr: nelisky: EclipseMC and Eligius are unaffected; slush, BTCGuild, and Ozcoin are "working on it"
Bitminter appears to be safe too as it mined an orphan on the 0.7 chain, but no official word yet.
If you know of others please speak up.
LOCKING: go here instead ->
https://bitcointalk.org/index.php?topic=152048.0