I toe my speakers in for the following reasons: 1) Having them spaced apart about 64" tends to point both tweeters away from my listen position so I toe them in to aim more directly at the main listening position. 2) Sitting at either side retains more stereo imaging because of time intensity trading. For instance, when I sit to one side, or if someone else is sitting there, the speaker closests to that person is no longer aiming directly at them and the other speaker is aimed more towards them than if the speakers were not toed in. If you don't toe in your speakers and you sit in front of a speaker, that speaker is firing straight at you while the other speaker is firing way off axis. I find that toeing the speakers in gives you best on axis aiming for you main listening position and a good compromise when you are sitting at either side. 3) Less side reflections from the walls. I have played with the degree of toeing in, but I find it generally works best the more precisely you have the speakers aimed directly at your central listening position. Lessening the toe in tends to make toeing in at all rather pointless. Seems like its all or nothing. Consequently, I have also taken to slightly tilting my speakers upward a degree or two. I used to do this with my old two way Bostons and doing it with my PSB 6T's seems ok too. To accomplish this, I have only installed the feet on the front of my PSB 6T's. The idea behind this is to improve the phase relationship between the woofers and the tweeter. I'm not sure if it is necessary as perhaps the designer has already accounted for that. Also, I can't tilt them too much or the tweeters are no longer aimed decently at the central listening position. I also think I might reduce a bit of floor relection too, but not by a huge amount. As a side note, depending how your room is set up, don't be afraid to point your speakers at slightly different angles than the standard flat orientation, in case furniture get in the way. Of course, you really should have a completely clear area in front of your speakers, but its not a perfect world. I know some people have couches sideways in front of their equipment and it wouldn't hurt to aim the speakers a bit to compensate. Its all in the tweaking. Does anybody else toe in their speakers?