Gayle,
The ipod Nano is Flash memory based. So is the iPod Touch (which has a large screen for movie viewing that is touch sensitive). Flash memory MP3 players, as mentioned, are more rugged for impact sport use and also more compact.
Your flash based player options that are good for exercise and support playlists are:
1. Refurbished older model Apple ipod Nano or new model ipod Nano(available at the apple online store for much less than a new Nano. Comes with a one year warranty.
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?mco=44BD9AA2&nclm=Certified)The difference between the new model and older models is that the new model plays both video and audio while older models are audio only. You can get the older model without video support for just $80. The big advantage is that iTunes (application you use on your PC to transfer music to the device) is very easy to use for a non-techie to transfer music from CDs, import downloaded mp3 files, organize playlists and transfer ocntent into neat playlists on the device. the Nano is also exceptionally sleek for sport use.
2. Microsoft Zune Flash. Plays both video and audio and competes with ipod Nano. Retail price is same as ipod Nano but it sells for slightly less.
http://www.amazon.com/s/ref=nb_ss_g...rl=search-alias=aps&field-keywords=zune+flash This is easy to use too, but a bit clunkier than the ipod nano.
3. Creative has high quality flash based players - some only audio and some support bopth video/audio. They are priced very attractively and have all the necessary features. Here is a popular one for sport use:
http://www.amazon.com/Creative-Port...2?ie=UTF8&s=audio-video&qid=1200834050&sr=1-2
iRiver, Sony, mobiblu, Coby, Archos and Cowon have some great low cost flash player options, especially if you buy audio only models, with features for playlists.
I am onto my second ipod nano now. My first was the original Nano model. It was scratch free and worked perfectly....but I traded up and bought the new model that was launched in Sep 2008 with video capability.
I now rip exercises from my Cathe DVDs (each exercise as a separate movie clip) and mix and match them with my own exercises at the gym, or by combining favorites from across DVDs!
Almost every mp3 player comes with a set of headphones. Unless you want audiophiphile quality, you need not buy another set.
A good thing to buy however is an armband/wristband or a lanyard-case (to wear it around your neck) when you exercise. I prefer the wrist option best.
Vrinda