TRMAN - welcome and congratulations! I have owned an S1, and now own Boshly's old S2 (which apart from the squinty lights is identical to an S3) and can honestly say that it is a great car. Recently tested an S4, but discovered that the lower sump doesn't like London's speedbumps, didn't likethe auto box, and it was no faster or better handling than my car anyway (much nicer interior, though).
Just thought I'd give BHM a big thumbs up. They have taken care of both of my Aeros, and they are fantastic. Small outfit though, so sometimes you have to make appointments a long way in advance...