Hello list, from this list of boards: GA-B75M-D3H GA-B75M-D3V H81M-HDS Asrock E350M1 ASUS KGPE-D16 ga-g41m-es2l ga-b75m-d3h which ones do you recommend? any other not listed? which ones support easy internal flash via software and are compatible with INTEL CPU? what is the best place to purchase? any specific market for new and used? Thank you