I wanted a small one so I can just cook some vegetables or a small meal for two. I've cooked collards, beans, carrots, potatoes.. it's awesome. 7-14 minutes in here is like 45 minutes to an hour or more. Sometimes it's nice to have crispy vegetables but it also nice to sometimes have a carrot that melts like butter.
I've already decided I'd like to have a 6-8 liter one for doing things a little bit bigger and have set up camelcamelcamel to catch a deal.