First build any advice on these ideas?

1st build idea:

2nd build idea:


Any suggestions would be greatley appreciated, my mains concerns for the build are bottle necks and hardware incompatibility etc.

i dont know what your budget is, but i would personaly recommend to go with an FX cpu and AM3+ mobo, if you allready plan to buy a dedicated gpu.

I'm looking to try and keep it below £500