Look and Rossignol have been manufacturing bindings out of the same factory for years now. Get whatever you like better, or better yet, find a used pair of FKS 155s/pivot 15s. The 15 din version isn't produced any more, but has a 6-15 din that's very similar to the 5-14 of the FKS 140, but has the same full metal race toe of the FKS 180, unlike the plastic toe of the 140. Solidly better binding, that you'll be able to find on here or on TGR for around $150 in good condition. More torsionally rigid, better power transmission, more durable, and caters to the same range of skiers. There's absolutely no reason you should pay twice as much for a brand new 140 just for the colorway.
Here's a link to a sale on here right now for some 155s. I'd snatch those up quick if I were you. I'd grab them if I needed them...
"What you are feeling is a base burn. The toilet bowl cleaner probably has a really high pH , and therefore must be neutralized with an acid that has a really low pH. So basically, you just need to stuff your asshole with the most acidic shit you can find, battery acid, sulfuric acid, nitric acid, whatever you can get your hands on. its gonna be a chemical showdown in your asshole today my friend."