I started with OD&D (white box) in 1978, then moved to AD&D in 1980. I played (and ran) 2e intermittently, but flirted with HERO, Runequest and GURPS for most of the 1990s. I even spent some time on the convention circuit running demos of GURPS (it's how I got anout 1/4 of my collection). 3e...