What do yall think about these?

Intel Core i5-4570 http://www.amazon.com/Intel-Quad-Cor...ef=pd_sim_pc_5
Asus Z87I-Deluxe http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
Corsair Obsidian 250D http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
Corsair CX Series 500 Watt http://www.amazon.com/Corsair-Modula...c+power+supply
Intel 530 Series 240GB http://www.amazon.com/dp/B00DTPYT78/...=ICYJL0BHCBZX8

If you have suggestions please advise. Also I have no clue what kinda ram I need to get. I would like to get the best brands that will last the longest and it looks like my 500.00 limit is not gonna cut it.