I just went through a few pages on the fieldfolio and the portenzo. Would someone mind conforming the following, a case a new design has come out since last year: 1) The fieldfolio is cheaper and is sturdier, but doesn't have a stand like the portenzo. 2)The Portenzo looks better (IMO), but tends to warp after a few weeks of use? Thanks! My ipad will frequently be in my messenger bag, and if the portenzo will warp (the warranty appears to only be 90 days), then I guess fieldfolio is the only choice.