Looking to place this order asap so any advice greatly appreciated 
YOUR BASKET
6 x Sapphire Radeon R9 290 Tri-X 4096MB GDDR5 PCI-Express Graphics Card (11227-00-50G) £389.99 (£2.00)
2 x Corsair RM Series RM 1000 '80+ Gold' 1000W Power Supply (CP-9020062-UK) £155.99 (£311.98)
1 x Asrock H81 Pro BTC Intel H81 (Socket 1150) Crypto Coin Mining ATX Motherboard £64.99
1 x TeamGroup Elite Black 8GB (2x4GB) DDR3 PC3-12800C11 1600MHz Dual Channel Kit (TED38GM1600HC11DC01) £59.99
1 x Intel Pentium G3220 3.0GHz (Haswell) Socket LGA1150 Processor - Retail £47.99
1 x Kingston 30GB SSDNow S200 Drive SATA 6Gb/s 3 2.5" (9.5mm height) Solid State Hard Drive - (SS200S3/30G) £35.99
Total : £2,874.36 (includes shipping : £11.25).
Will then be buying 5 x 16x risers seperate. Is this spec pretty much as good as you can get for the money? Any problems/issues with it?

YOUR BASKET
6 x Sapphire Radeon R9 290 Tri-X 4096MB GDDR5 PCI-Express Graphics Card (11227-00-50G) £389.99 (£2.00)
2 x Corsair RM Series RM 1000 '80+ Gold' 1000W Power Supply (CP-9020062-UK) £155.99 (£311.98)
1 x Asrock H81 Pro BTC Intel H81 (Socket 1150) Crypto Coin Mining ATX Motherboard £64.99
1 x TeamGroup Elite Black 8GB (2x4GB) DDR3 PC3-12800C11 1600MHz Dual Channel Kit (TED38GM1600HC11DC01) £59.99
1 x Intel Pentium G3220 3.0GHz (Haswell) Socket LGA1150 Processor - Retail £47.99
1 x Kingston 30GB SSDNow S200 Drive SATA 6Gb/s 3 2.5" (9.5mm height) Solid State Hard Drive - (SS200S3/30G) £35.99
Total : £2,874.36 (includes shipping : £11.25).






Will then be buying 5 x 16x risers seperate. Is this spec pretty much as good as you can get for the money? Any problems/issues with it?