To answer several of your questions:
1.-SMP is not supported right now in S@H. If you have more than one CPU, you can only run multiple instances of the clc to fill up your CPU's.
2.-Acording to the information on SETI's future, SMP (or parallel procesing ) will be supported by the next tecnology being developed in the S@HII infrastructure.
3.-The is no clear cut release of S@HII. Current estimate is mid-03.