We know it's hard, but the time has come to finally retire that beloved Barton rig that's served you so well. We too remember the feeling of popping in an Athlon XP 2500+ and effortlessly overclocking it to 3200+ speeds, but like Old Yeller, you know what the right thing to do is. So, what comes next? If you're willing to jump fences, we suggest giving Haswell a hearty handshake. It's easy to get started -- just click through to today's top deal for an Intel Core i5 4570 Haswell chip for $190 with free shipping (normally $200 - use coupon code EMCWXVL33). This quad-core part comes clocked at 3.2GHz with 6MB of L3 cache.