I've not tried it but this looks promising as a complete podcast creation service for Windows users. Check out the details of the software they provide - quite impressive but simple. The pricing is comparable to other services as well.

http://www.blogmatrix.com/sparks_main/

BlogMatrix Sparks! gives you a one-stop solution for recording, sharing, finding and listening to podcasts. In one package, you get:

a multi-track recorder and mixer designed especially for the needs of podcasters
automatic uploading of your podcasts to the BlogMatrix server
a full featured podder and weblog reader for listening to other’s podcasts

HTH,
David