My Dell Inspiron comes with a Synaptics touchpad, and has the ability to enable scrolling (both horizontal and vertical) on by dragging your fingertip either down the right side, or across the lower edge of the touchpad. When I went into the local Apple store a few weeks ago and played with the Powerbook, I noticed that it didn't have this ability. I use this quite a bit in documents (word, txt, spreadsheets, web pages, etc) and would definitely miss this feature should I move to the Mac. Is there any way to enable this (tweak, another program,etc)? Thanks.