Have just returned to the standalone TiVo world after 8 years in the D*TiVo galaxy. Did a quick search on the thread subject with no relevant results, so I presume that there is no current external storage capability as with the S3 & TiVoHD units. Added a 1TB WD Green Drive to my S3 a month or so ago and it's humming (literally) along. Would like to do a similar add-on for my new S2, but I guess my only option may be an internal HDD. Anyone heard of plans to permit an external drive?