The next point update for Debian 6.0 should include many fixes and improvements to the Linux kernel. Version 2.6.32-47, currently available in the 'squeeze-proposed-updates' suite, includes updates to the following SAS drivers, adding support for new hardware:
Note that the binary package names don't change; they are still linux-image-2.6.32-5-flavour.
If you are using any of the above SAS controllers, whether or not it is already supported by Debian 6.0.6, please consider testing this kernel version. If it works, please follow up to the bug reports listed above. If you find any regressions, please report bugs against the new package version.