Traveling with cigars, need help!

Hey guys, so I am currently a college student from Texas and am taking a semester abroad to Germany starting in January. My questions are regarding traveling with cigars. I plan on bringing a 15 cigar travel humidor, I currently have a 5 cigar herf-a-dor that works fine, but I plan on smoking much more than that next semester. Sure, I could just buy cigars from a B&M store while there, but why do that while I have a humidor full of stogies? I am looking at two humidors, http://stores.cigarsolutions.com/-st...vel/Detail.bok and http://stores.cigarsolutions.com/-st...gar/Detail.bok Which do you guys think is better? What entices me about the more expensive model is the pressure release valve for plane travel, does anyone have any experience with traveling with these on planes? Does anyone have a preference for either one, or a completely different humidor that I didn't mention? Also, does anyone have any advice on traveling in general with cigars(I don't plan on bringing any Cubans, so no need to worry)? Forgot to ask this as well but how long will cigars last in a travel humidor, as long conditions stay correct? Sorry for the millions of questions, thanks in advance!