I will reiterate that this is a great guide, even more so with the edits and additions.
Now, I'm just waiting for the following to occur...
A battlefield on a hot summer day. The shots fired at close range. The "whizz" of BBs flying past the target, bouncing off trees. And the shout/curse, "DAMMIT, I did ALL the MODS! Where's my +27 to hit?!?"
