get your hands on the zoom H2. it uses SD cards to store what u record. easy to use, one touch and plug n play.
a 1G card records 1.5 hours in wav format, you can convert to mp3.
head phone jack + line out to PA system, mini combo....
the whole package includes the H2 recorder, the ac adaptor, usb cable, line out cable, stand attachment, wind muffler and a 512mb SD card.
buy from city music or look for used ones on soft ads or luther' classifieds.