AMD Athlon 3400+ (I think it was this, it was a decent little thing)
Intel P4 3GHZ (Although this is because it was me learning to build, it was a second hand one as I was learning, had a 1950XT Radeon, 256MB GDDR3 or something)
Athlon 6000+ X2 (My first custom built, AM2+, before Phenom II launched)
AMD Phenom II X4 940 (Near launch)
AMD Phenom II X4 965 (The C3 stepping, got myself a 790FX board and 2000MHZ DDR3, although AMD's IMC was crap, so you could only ever get 1333MHZ)
AMD Phenom II X4 965 (Another C3 stepping, I was among the first to get a proper 4GHZ 24/7 overclock that could handle prime all day long in the AMD Phenom II overclocking thread, IMC still sucked.)
AMD Phenom II X6 1055T (Launch day model, couldn't justify over 200 quid on the 1090T, I again managed 1055T prime stable all day long, I got this with my Asus Crosshair IV Formula, finally an AMD IMC that could handle 1600MHZ)
AMD Phenom II X6 1055T 95W (With my Crosshair I managed 4.375GHZ 24/7 stable)
i5 2500K (Because they were pretty incredible when they launched at 150 quid, mine could do 5GHZ, but I popped my board)
Another Phenom II X6 1055T 95 (Figured with my board dead, I would stupidly wait for Bulldozer, so sold up and went to another Phenom II X6 1055T 95 and Crosshair)
Another i5 2500K (AMD announced the 3 months to Bulldozer and new socket, I wasn't prepared to wait, and the new socket annoyed me, I went in, bought the best P67 board on the market, the Maximus VI Extreme)
i5 4670K (Impressed with my 4.8GHZ 2500K, I wanted more core for core performance, I chose the i5 4670K and have it at 4.75GHZ, and AMD didn't have anything I considered an upgrade)