Hi, I'm a bit out of touch with hardware today, could someone tell me please which is better, pc spec 1 or pc spec 2. PC Spec 1. Dell Optiplex (unknown model, dell motherboard?) Windows 7 Pentium 4 HT 2.80GHZ 4GB Ram PC Spec 2. Custom Built Windows 7 Intel D525MW (Dual Core 1.8GHz) 4GB Ram. Thank You.