Then I'd suggest the M-Audio Fast Track Pro which will give you everything you need and more. It's around $260 but even if you get a little more serious about it, you won't be throwing it up on the shelf.
Kristal Audio Engine is about the most user friendly DAW and has its own forum where you can get all sorts of advice.
Don't go spending money on mics. until you've tried them out on whichever interface you choose.
Every mic. has its purpose and you may be surprised by what you've got.
Or you could go this route.