Last year the iPad pretty much had the entire playing field to itself. None of the major manufacturers had a real tablet made to compete on form and functionality with the iPad.
CES is wrapping up this week, and it is pretty clear that Apple's not going to be running unopposed. Several of the big hardware manufacturers are going to be aiming directly at Apple's market space.
The Best New Tablet
I suspect that while 2010 was supposed to be the "year of the tablet," 2011 will in fact by "The Year of the Tablet."