I have all three lines open. I have a Red with blue and yellow one, a Blue with red and yellow one, and a Yellow with red and blue one. I do wish that the Yellow line would get some love, for it is lacking compared to the other two.
"No sadder words of tongue or pen are the words: 'Might have been'." -- John Greenleaf Whittier
"Do or do not. There is no try." -- Yoda
On planet Earth, there is a try.
Indeed, in a world and life full of change, the only constant is human nature (A is A, after all :P).
We old vets need to keep in mind those who come after us.