ASUS mobos are pretty reliable.
I've got 3 ASUS mobos here. The one above and 2 socket 775 mobos. Never had any probs with any of them
I've never used any other brand. But what's good about Gigabyte are their dual bios's
But I like ASUS mobos because theyre easy to update (their BIOS).
And if the BIOS gets bricked, its easy to fix that with crashfree BIOS. A feature that most of the more recent ASUS mobos have