The Toshiba Satellite L305D-S5874 NoteBook PC is now at Newegg for only $499.99, $100 less than in September. This has a 15.4" widescreen LCD, 1.9GHz AMD Athlon dual-core processor, 3GB memory, 160GB hard drive, CD / DVD burner, memory card reader, wireless networking, and Windows Vista Home Premium. Shipping adds $17.20 and there is no sales tax (except CA, TN, NJ).
NewEgg.com has the AMD Athlon 64 X2 5400+ Brisbane 2.8GHz 2 x 512KB L2 Cache Socket AM2 65W Dual-Core black edition Processor for $77 - $8 code AMD1028 [Exp 10/31] = $69 with free shipping. Here's some info on these Black Edition processors.
NewEgg.com has the AMD Athlon 64 X2 6000+ Windsor 3.0GHz 2 x 1MB L2 Cache Socket AM2 89W Dual-Core Processor for $84 - $10 with coupon code AMD10610 = $74 with free shipping. Full retail box with Heatsink and Fan included.
HP.com has huge $400 off $999 desktops coupon through 10/18 (use code DT7708). Their loaded, high-end HP Pavilion Elite m9400z Desktop starts at $749.99 (the $150 instant rebate to $599.99 gets removed) so add $250 in upgrades, enter the coupon code and you'll pay just $599.99. I'd add the 2.3GHz AMD Phenom quad-core processor ($100) and 6GB of memory ($150). This also comes with a 320GB hard drive, 16x Lightscribe DVD / CD burner, 128MB video card, memory card reader, and Vista Home Premium. It doesn't come with a monitor, so check our [1[LCD Monitor Deals. The code may expire early, it has a cap of 1800 uses.
ZipZoomFly.com has the OCZ OCZTVEND Vendetta Aluminum & Copper Intel/AMD CPU Cooler for $23 - $8 rebate [Exp 10/16] + $7 shipping = $22 shipped after rebate. Features 3 pure copper heat pipes for superior heat dissipation, low-noise fan. [BizRate]