MODIFICATION OF "BEST MOUSE" FOR USE WITH A MOUSE PAD. This modification is not authorized by Best Electronics. Any damage to the mouse or it's parts due to inept craftsmanship is not my, nor Best Electronic's responsibility. It works for me, and it will work for you. If you take your time. "BEST MOUSE" is a replacement mouse for the ST from "BEST ELECTRONICS." It surpasses the ST mouse by a hundred fold. The shape, rounded edges and top, is designed for total comfort. It fits right in the palm of your hand. The buttons are tight, silent, and precise. The cord is longer and more flexable. And all internal parts are user serviceable, available from Best Electronics 2021 Alameda Suite 290, San Jose, Ca. 95126. Phone# (408) 243-6950. All things considered this mouse is a dream come true for any ST user. (EXCEPT FOR ONE THING!!!!!). This mouse does not like mouse pads. The kind with a 1/4 inch foam rubber backing and nylon surface anyway. It has a tendency to rock, and for some unknown reason it doesn't glide smoothly on the pad. These problems only happen when you use a mouse pad. I however like mouse pads, so I set out to fix this annoying design flaw. First, the rocking. The Best Mouse only has (3) feet. So I figured to stop the rocking I could add (2) more feet. I just called Best Electronics and ordered a set of (3) teflon replacement feet. Actually I had to order 2 sets because the minimum order was $5.00. One set cost $3.00. When they came I just peeled off the paper backing and stuck them on, and no more rocking. That was easy. Second, getting it to move more freely on a mouse pad. After close examination with a straight edge and a flash light, the problem was clear. The door on the bottom that lets you insert the mouse ball sticks out too far. And when the weight of your hand is on the mouse, that door drags on the pad making it real sluggish. An obvious design flaw. I took the door off and proceeded to sand it down (on the side that faces me). I used #120 grit paper. This took a while, even using a belt sander. "A NOTE OF CAUTION.") (Although this piece is made from high quality plastic there are small tabs on it that can, if your not careful, break off. So handle it with care. And if you use an electric belt sander to sand this door, only apply gentle pressure to the piece. It gets warm fast.) Every once in a while check your progress by thoroughly cleaning any dust from the door and testing the fit. The object is to get the door flush with the bottom of the mouse. After you get the door to your liking, reassemble it and check it out. I think you'll be very happy with the result. Oh! by the way, I'm not sure, but I think the sanding part of this mod. could void your 90 day warranty. Not that you'll need it. "This mouse is built to last!" Mark Bombard Flying Monkey Studios