I can understand the reasoning for wanting to machine the entire monoblock in one piece, but if one was intending on the two-piece monoblock why solder rather than weld? Having worked with silver solder before, i do realize that if done correctly can result in an extremely strong joint, but why not weld the two? Is it because the stress relieving process is a pain? As Mr. Brown has clearly much more knowledge on the subject than me, I'm wondering what those specific reasons may be. Any ideas?