I am planning on starting a build of this in an old Alamo Fury 1x15 combo. I have a couple of questions as I am starting on purchasing the parts: 1. Is there any place where that has the BOM of components handy to order (as opposed to manually adding each individual component to the cart)? 2. I saw a suggestion to use metal film resistors, but an implication that carbon might be better for certain resistors. Does this really matter/can you hear the difference or does it just make some people feel better to have the vintage spec component? Is it fine to use all metal film? 3. I see on the Cathodyne version that there is a headphone jack, but on the LTP it is labeled line out. Can this be converted to a headphone jack? Thanks in advance.