Having lurked for some time and found such useful advice in these columns, I thought some might be interested in what I've ended up with. My stereo kicked the bucket a few months ago after years of good service. I rushed out and bought Arcam A85 stereo amp B&W CDM 1NT stereo speakers Pure SRX 701ES digital radio to go with existing Marantz KD40 cd player Yamaha KX393 cassette player Panasonic DVD S75 DVD player (which also plays DVD audio) The sound was great, although you need some volume to pull the bass through. Not sure if that's the amp or the speakers. Trying the DVD audio in stereo was good, although I didn't think there was a significant improvement in sound quality over a well recorded CD. As the Panasonc also plays CDs, I compared it with the Marantz, and while I can hear a difference, I can't say I prefer one over the other. I then had a hankering to upgrade to a surround sound system, but didn't want to lose the stereo investment or sound quality. I considred the Yamaha DSP E800, which works in tandem with a stereo to add a centre front and two rear channels. However, this doesn't have Dolby prologic II, which I decided was a must. So I ended up going to Richer sounds and getting Yamaha DSP-AX6300ES surround-sound amp (not a receiver) Mordaunt-Short MS 304 centre speaker Mordaunt-Short MS 302 L+R rear surrounds I output the pre-outs of the front L+R channels from the Yamaha to the Arcam, and the Yamaha controls the other speakers. I'm very pleased with the overall effect. It seems that on surround sound you don't normally get a lot coming out of the rear speakers, which does take people by surprise. I also find that I have to put the volume on the Arcam amp very high to match the levels of the Yamaha. There was just one thing missing - a subwoofer. I ended up getting a Celestion S10 off eBay for 180 quid, which again I'm very pleased with. The prologic II is great for listening to telly in something like surround sound, and the Yamaha has a special tv sports setting so you get crowd noise around you, and commentary out of the front centre. Prologic II can also enhance a stereo CD, although DVD audio is clearly superior. It's not obvious to me whether this is because the DVD is recorded in multi-channel format, or due to the superior capabilities of the format, or both. I also tried plugging in the cd player to the stereo amp directly, and through the Yamaha (outputting to the stereo via the preamp) and couldn't detect an obvious difference. Should I expect one? I'd be interested in any comments on this setup.