please any advice on best $800ish computer out there

Intel option:
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($214.99 @ NCIX US)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: Gigabyte GA-Z87-HD3 ATX LGA1150 Motherboard ($99.99 @ SuperBiiz)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 Memory ($78.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.99 @ Amazon)
Video Card: Sapphire Radeon R9 270X 2GB Video Card ($209.99 @ SuperBiiz)
Case: Corsair 200R ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($49.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.99 @ Amazon)
Total: $798.90
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-18 16:12 EDT-0400)

AMD option:
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($109.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: Asus M5A99X EVO R2.0 ATX AM3+ Motherboard ($107.99 @ NCIX US)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 Memory ($78.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.99 @ Amazon)
Video Card: MSI Radeon R9 280 3GB Video Card ($279.99 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($69.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.99 @ Amazon)
Total: $791.90
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-18 16:18 EDT-0400)