How does this compare to the Dell U2713HM (yes I know that's only 27") for general web browsing, spreadsheets, light gaming and some HTPC stuff.
Dell has a proven product and backs it up with a nice 3 year warranty.
This is much larger than a 27". 3" doesn't seem like much but this is a 16:10 vs a 16:9 on top of the 3". I don't have this monitor but I do have a HP LP3065 along with a Dell U2713HM and IMO it is better for everything you listed. The only downside of this size is 1) price, 2) more pixels, so a bit harder to drive and 3) DPI is slightly lower.