They are nice work well and have a 3 year warranty. I also use some ASUS M'Boards without any issues either.
Really depends on what it is you want to build I suppose. Of course if you are looking at a AMD CPU you have to use either ATI M'Boards or the NVidia ones but as AMD now owns ATI and are making their own Chip Sets I would tend to stick with the ATI M'Boards, but that is just me I think that the company who makes the CPU knows their products better than a After Market Company who is pushing out Budget Chip Sets trying to compete with the CPU Maker.
But these ASUS M'Boards have Intel Chip Sets
http://tinyurl.com/62m7ql
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And more Intel Chip Set M'Boards it actually looks as if the NVidia are the also rans with ASUS with only a couple of listed M'Baords. What you need to remember is to look at the Makers Web Site not a resellers as they will only order in what they think that they can sell so a lot of High End M'Boards never see the light of day in these places as they are considered as [b]Too Expensive[/b] or [b]Not Salable Enough[/b] where the shops rely on High Turnover to make their money and never have the better products available for sale.
Even the big Wholesalers didn't carry a complete range of M'Baords they just carry what they think will sell and I had to quite often get them to Order In M'Boards for me admittedly they where all High End Server Boards with Quad CPU's Sockets instead of the Dual's that they thought would sell.
The only issue that I have had with ASUS is with the Heat pipes and big opening on the back of the case allows a lot of dust and other junk to enter the case and this has killed a few M'Boards that would have lasted longer if there wasn't such a large open hole to allow the junk to get in.
I like the idea that ASUS uses in theory but in practice it fails dismally well for me at least and when I replace the dead boards with Gigabyte they just keep working.
Col