i have had my 17" PB rev "c" for a couple of months now. i have used my MS BT mouse with it since the day that i bought it. for the last couple of weeks however i have been unable to get the mouse and laptop paired up again. the mouse shows in the proporties as a paired device. the indicator along the top bar of the screen does not show that a connection is made between the two. if i restart the PB, about 50% of the time initially the mouse is connected however soon (within a minute) the connection is "lost". i will attempt at that point to reconnect but it never does. it stilll shows as a paired device but no joy. i have (of course) installed new batteries in the mouse and have put the mouse back onto a windows system where is work fine. the only thing that i am thinking at this point is that one of the recent apple provided updates has affected the mouses connection. looking for any help you pros can lend or suggest.