The keyboard is very small and seemingly difficult to type on when switching from a ThinkPad T61. The glass touchpad/mouse is hard to get used to but I can see it being useful in the future. Even as this is being written I find that the keyboard is beginning to feel natural. Reports of flawed wireless abilities due to the all aluminum body are nowhere to be seen. I haven't dropped a signal yet.
Now that I have pointed out the new Mac's flaws-on to the good stuff. The LED display and the backlit keyboard on the MacBook is a great addition to this line-up. The standard 250 GB HDD included with the 2.4 GHz notebook is great. The 2GB DDR3 RAM is speedy.
New software for Mac makes it easier than ever to switch to Mac. VMware Fusion 2 is a great alternative to parallels or BootCamp. Toast 9 is comparable to Nero 9 for burning DVD videos and creating other media. Adobe's newest CS4 is an all around photo and web editing software that is very powerful.
All-in-all the New Macs are great and with the speed upgrades I can't wait to see cats fly with Mac OS 10.6 ("Snow Leopard") in 2009.