Easy improvement to sound.
We recently changed our audio gear and last night we had a visit from one of the guys that sold us the gear, he brought a new interconnect that was a freebie with the cd/amp combo(although the price it would have cost didn't make it seem cheap) and wanted to check the set up, he was happy with the positioning etc but wanted to try something, so a wee tweak on the speaker retaining bolts into the cabinet really (yes really) made the sound and image jump out. I had read this in a couple of magazines as a way to improve the sound but had not yet tried it as the speakers were ex demo and not very old, in short something to try if you haven't already done so, but please, be careful on how much strain you put on the bolts, overtightening will be worse than than them being slack.
Please take good care of your S2k keep it by your side for long and enjoy it from the bottom of your heart and share the quality and legacy of the S2k with many friends so that the legend of the S2k will continue for long. Shigeru Uehara Designer Honda S2000.