I'm new to all of this but i'm wanting to buy a camera with an external mic input (i'm very attracted to the Panasonic SD90) so i can record myself in the outdoors for instructional nature videos. The idea of a mic is to reduce the background noise. As i have absolutely no idea what i'm doing i'm wondering if it is feasible to use a wireless mic with the camcorder and also the prices that this would entail. If anybody has any other sound ideas; maybe a good way of using a wired mic and picking up my voice well while still allowing me to be reasonably mobile i would greatly appreciate it.