Advertisements In my short time as a Tivo owner (less than 18 months), I've owned 4 S1 Philips, 3 S2 TCD240s, 1 S2DT, 1 S3HD, and a standard Premiere. By far, the noisiest of the bunch is the S2 TCD240s. I even found one (240080) that came with what looked like a factory installed chunk of styrofoam glued to the inside of the top cover (sound deadener?). If I take the covers off, none of the S2s seem to be all that noisy. I've even tried to isolate the source and it is the fan, not the hard drive. Once I put the cover back on, it's like the box amplifies the fan noise. Not terrible, but certainly much louder than any other model I've owned. What's your experience?