I'm not going to go into everything. So if new versions of Safari or iWork excite you, that will have to come from someone else.
New OS X is called Mavericks. Sorry Tim, you should have gone with the Sea Lion idea.
New Features spotlighted:
Multiple display support (I'm not a Mac user, this is new?)
App nap, suspends apps not in use
OpenGL 4 support
Inactive apps will be compressed into memory, not to disk
Release in Fall
New line of MacBook Airs based on Haswell
9 hours on 11", 12 on 13"
11-inch with 128GB starts at $999. 13-inch with 128GB is $1099.
New Mac Pro
Very cool looking cylindrical design - but will it be functional or another Cube?
12 core Xeon 256 bit processor
Dual GPUs - AMD FirePro\
4k display support
4 USB 3, 6 Lightning 2 ports
Assembled in USA
Ships later this year (no price mentioned)