Mobile sites we see here is for mobile, try to look on a tablet, it's awful, also better browse the desktop like website. The problem with desktop website on an ipad or tablet is that sometime you have to zoom to read text or click a button.
So I think a tablet web design is what will work.
Some interesting news: iPad has 88% of global tablet web traffic, but Kindle Fire could start eating it | VentureBeat
iPad snags 95.7% of all U.S. tablet web traffic - The Next Web