DFI has had issues with memory, but the beta bioses seem to fix those.
Asus has had many issues. And their boards have gone downhill imo.
MSI not sure. Got real good reviews.
If you're gonna OC I'd go for an MSI or a DFI. If you want a solid no frills board get an ECS K1N Extreme, it seems to be a steal at ~90-110.00. Great reviews on it as well.
I think like any other piece of hardware, YRMV...some have issues some don't. I'd look more to support/quality/features over what certain people might be saying. then pick what fits your needs more.