Is it confirmed that mining with cudaMiner will be possible? I thought that's only scrypt
Updated version (source) that supports keccak (SHA-3) is up. You can go ahead and compile it yourself.
https://bitcointalk.org/index.php?topic=167229.msg4964261#msg4964261+
there is no guarantee this code is error-free and working at time of launch.
check back 7 PM UTC for official binaries. That should give you half an hour for fine tuning the launch config.