PC Setup help

Hi,
I'm setting up my PC & stuck between 2 set of options. Both of the setups fits within Rs.24-25000, which is my budget. I will be gaming mostly and no multitasking, only single threaded applications. I want the best cpu clock speed & overall graphics possible and also which will serve me good for atleast 2.5 to 3 years. My options are:

1. AMD FX-8350 + MSI 970A-G46 AMD Motherboard + AMD/ATI HD 7750 1GB GDDR5
2. AMD A10-5800K + ASUS F2A85-M-PRO Motherboard + ASUS AMD/ATI HD 6670 1GB GDDR5 (CrossFire-ed with the APU Graphics)

I don't know whether the MSI mobo I mentioned in the 1st option is the best but it is surely one of the cheapest. If there are any other good & cheap am3+ mobo and/or any gfx card that fits in the budget, please mention.
Also, if you think that any other combo of these three viz. CPU, GPU & Mobo suits my requirements & budget better, please suggest.
Thanks!
 
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