Your best bet is an i3 skylake. I'd get an Asrock or Asus H170 motheboard. They have all the bells you need for HTPC and none of the whistles (meaning you don't pay for things you aren't using). And they are good brands. You don't need a 500w power supply.
If you are fully loading it with...
I find this odd as well. In my experience and with most people I've spoken too, it would appear as if the Mac Mini lacks in almost every category.
I used one for about 2 months and had lots of issues with different file types not playing.
Wonder what I was doing wrong?
You should check this out to.
http://assassinhtpc.com/eliminate_cable.pdf
Its got a lot of the answers to the questions you have. a 40+ page compilation on how to completely remove cable from your lives.
Pretty thorough guide.
Confused on why you would say LOL..bye
I had them build mine and I've been super satisfied and their guides on HTPC additions, plug ins, etc. are amazing and the best thing on the web.
Its been 2 months since they delivered my machine. Still very pleased!