Sony Portable Mini-Disc Player/Recorder (MZR500PC)
Where's the Jog Dial?
I love minidisc players, and this is the second one that I've gotten.  This one does have some pros, the best being the PC Link which is wonderful.  The small size is great, and I love the built in AA batter holder so that it isn't necessary to recharge.  However, after using this recorder for a while I have two issues with it.  My first issue is the lack of a jog dail which makes it easy to change tracks and input titles and is an excellent addition.  My old minidisc player had one, and I didn't realize how much I used it until it was gone.  The second problem is that it is difficult to record.  Pressing the two buttons at exactly the same time can be difficult, and it becomes more complicated when the minidisc is not completely blank.  My advice is to wait until the Sony NetMD comes out in March which will allow you to record off of the computer at up to 30X real time recording instead of real time.