After making a quick read, in the first link you provided i really liked the asrock but in my country the price is too high for my budget.
I really liked the Asus Z87-A their software seemed very nice and the build construction of the board seems solid.
i saw that the MSI z87 G45 gamming has a better audio solution and the price is not bad...
My options so far are::
- Asus Z87-A
- MSI Z87-g45 gamming
- ASROCK Z87 EXTREME3
- GIGABYTE Z87X-D3H