UPDATE: Rebate amount has increased from $75 to $100, dropping the price from $524.99 to $499.99 after rebate. Please ensure to submit the revised $100 rebate form to receive this amount

Dell Home & Office has Dell Inspiron 3847 Desktop on sale for $699.99 - $100 off w/ coupon code $100OFFWIN8 - $100 Slickdeals Rebate = $499.99. Shipping is free.

Specs:

• Intel Core i7-4790 Quad-Core Processor
• 16GB (2x8GB) 1600MHz DDR3 RAM
• 2TB 7200RPM Hard Drive
• Intel HD Graphics
• DVDRW drive
• Wi-Fi 802.11n + Bluetooth 4.0
• Windows 8.1 (64-Bit)
• Ports:
  • 6x USB 2.0 (2x Front, 4x Rear)
  • 2x USB 3.0 (Rear)
  • 1x HDMI
  • 1x VGA

• Signed rebate form
• Copy of Receipt/Invoice with SKU Listed 466-8577