Compared to previous deals, this Thinkpad Yoga 460 ditches the discrete graphics that's eating away at your battery life. You can switch out the hard drive for an SSD which you've read all the reviews for and add some more RAM yourself at a better price. You probably won't notice the drop from i7 as they're all dual-core.
For those looking at something lighter and still want to scribble on your screen, the Thinkpad Yoga X1 is also on sale.
Thinkpad X1 Carbon ultrabook starts at $1599.
For those wanting to explore the extent of which you can upgrade parts yourself, there are hardware maintenance manuals published for each Thinkpad.
Some of the rrps look overblown but there's still some really good deals there.