Otto - Well, to be strict about it, the optimal figure is one. The more directory entries you have, the (relatively) slower the BP will perform. Remember that the processor in the BP isn't anywhere as powerful as the one in even the oldest computers, so it's always going to be slow as you add more and more folders, even if each folder contains only one file. -----Original Message----- From: bookport-bounce@xxxxxxxxxxxxx [mailto:bookport-bounce@xxxxxxxxxxxxx] On Behalf Of Otto Zamora Sent: Wednesday, September 05, 2007 10:43 AM To: bookport@xxxxxxxxxxxxx Subject: [bookport] Re: 4 GB card and BP performance Hello, What is the ball park figure as having the number of files in a folder so that performance is not hindered? Otto