Request Noted. I would agree this is a feature we should add.
I've searched around the requests and have not seen it, but one of the most frequent vulnerabilities I see in UNIX-heavy internal network environments in my corporate pentesting experience is publically exported NFS shares. There are few good tools to view these in Windows, so a Linux system is ideal to mount them locally and search the contents.
In this light, BT4r1 currently requires the NFS packages be installed and although Aptitude does this just fine, sometimes I'm internal and don't have access to the repositories, nor to a persistent install of backtrack, meaning I'm down to making a custom package just to get basic NFS support.
It should be a very small footprint software to add to the next revision and would be a useful addition.
Request Noted. I would agree this is a feature we should add.