There is a huge post over at AVS forum (of which I'm not a member) on the merrits of setting your speaker size to small even when you have a full range speaker. From what I gather, some of those posting have an electronic engineering background, the consensous is that a high quality sub such as our beloved SVS is better able to produce bass than even quality full-range speakers. They claim that the small setting on the receiver/processor causes (depending on the cross over point) everything below 80hz to be sent to the sub. Where as in large mode only the LFE channel is being sent to the sub. Basically a hole is created between the lowest reaches of your full range speaker and the hz that occur in the LFE range. Now this is all a paraphrase and what I remember from reading last night. My question is, if this theory is correct, then how does it play into DVD-A & SACD? Is the sub able to keep separate the bass for 5 channels and make it sound accurate? I am curious for those that are running DVD-A or SACD, is it worthwhile to spend the extra money on full-range speakers for your surround channels, or for that matter the mains, if everything below 80hz is going to be piped off to the sub? I am trying to decide on minis for my surrounds or just buy 2 sets of towers and use them as the surrounds. Anyone's experiences with multichannel audio would be greatly appreciated.