Keep the 20 gal pot. Look at it this way, the speed limit on the freeway is 65 but there times when you need to go faster. You wouldn't trade your car in for one that tops out at 70 would you?
Fermenting- EdWort's Haus Pale Ale
Bottled- Blue Star Wheat clone, EdWort's Haus Pale Ale, BIPA, Chocolate Espresso Stout, Black Hook Porter clone, Ginger Ale, Bee Cave Brewery Bavarian Hefeweizen, Peppercorn Rye Boch, Cream of Three Crops
Future- Old Rasputin Imperial Stout Clone