I've gotten very used to Mission+ and now am a fan of the product because of its potential. With a few fixed it will be better than HTML and there is still a ton more updates to go.

Also, looks like the signature drama will soon come to an end. Latest ACARS update, at least on the 73N, has password boxes for each pilot which will serve as signature. Ex ASA folks it's the same exact format we had on the CRJ