Why'd my build go up $100 suddenly? :(

PCPartPicker part list: http://pcpartpicker.com/p/qjf2
Price breakdown by merchant: http://pcpartpicker.com/p/qjf2/by_merchant/
Benchmarks: http://pcpartpicker.com/p/qjf2/benchmarks/

CPU: Intel Core i5-3470 3.2GHz Quad-Core Processor ($184.99 @ Amazon)
Motherboard: ASRock H77 Pro4/MVP ATX LGA1155 Motherboard ($87.55 @ Newegg)
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory ($30.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: HIS Radeon HD 7870 2GB Video Card ($199.98 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($65.98 @ Newegg)
Optical Drive: LG GH24NS90 DVD/CD Writer
Total: $669.47
(Prices include shipping, taxes, and discounts when available.)

Even more cheaper, same specs.
 


at those prices he might be able to get a 3570k and a cheap z77 board and keep it around $720.
 
Yes if he wants to oc :

PCPartPicker part list: http://pcpartpicker.com/p/qjkG
Price breakdown by merchant: http://pcpartpicker.com/p/qjkG/by_merchant/
Benchmarks: http://pcpartpicker.com/p/qjkG/benchmarks/

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($219.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ Amazon)
Motherboard: ASRock Z77 Pro3 ATX LGA1155 Motherboard ($94.99 @ Amazon)
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory ($30.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: HIS Radeon HD 7870 2GB Video Card ($199.98 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: Corsair Builder 500W 80 PLUS Certified ATX12V Power Supply ($39.99 @ Newegg)
Optical Drive: LG GH24NS90 DVD/CD Writer
Total: $715.90
(Prices include shipping, taxes, and discounts when available.)
 
PCPartPicker part list: http://pcpartpicker.com/p/qk6L
Price breakdown by merchant: http://pcpartpicker.com/p/qk6L/by_merchant/
Benchmarks: http://pcpartpicker.com/p/qk6L/benchmarks/

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($229.99 @ Newegg)
CPU Cooler: Xigmatek GAIA SD1283 56.3 CFM CPU Cooler ($19.99 @ Newegg)
Motherboard: ASRock Z77 Pro3 ATX LGA1155 Motherboard ($94.99 @ Amazon)
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory ($30.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: HIS Radeon HD 7870 2GB Video Card ($199.98 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: Corsair Builder 500W 80 PLUS Certified ATX12V Power Supply ($39.99 @ Newegg)
Optical Drive: LG GH24NS72 DVD/CD Writer ($17.99 @ Newegg)
Total: $715.90
(Prices include shipping, taxes, and discounts when available.)

This one have.