GamingHappens
HEY LOOK! a distraction!
Well, ultimately when you're just doing podcasting you only need an interface that has one XLR input. I only technically needed one XLR myself, but I bought a mixer with 4 plus quarter inch jack inputs. So now I can use multiple mics as well as plugging my guitar in and I have extras in case any of the input lines fails for whatever reason.
On the quality side of things, my only caution is that I'm not using the AT2020. I use a Shure SM7B which is quite a bit more pricey and I do a reasonable amount of audio editing. That said you can get exceptional quality from the AT2020 as well.
what type of audio editing do you do? besides make it fit and changing the volume so it's not to loud?