Well, I (Xaser) juse love weapon replacements, and after doing Necro's Revenge, Acid Dreams (Unfinished), Sniper of Insanity, and Close-Up, I started to run low on ideas. So then I thought, "Hey! Lets all get together and make a Masters of Insanity weapon Wad!" So therefore, P0WER WEAP0NS was born. Well, see below for more detailed weapon info.
Randy Heit, for the godly Zdoom! Numerous others that I can't seem to think of right now.