Heheh, I loved it.
Started off going WHAT THE FUCK IS GOING ON, but then as I watched more episodes it all started getting more and more intense untill the finale brought it all together in one awesome cacophonous peak of brilliance. It really grows on you as you watch it, but I can definitely see how some people might get turned off by it and not give it a chance.
If you're just looking for action, go pay a couple bums 20$ to fight in the streets for you or watch DBZ or some equally crappy plotless anime. If you want an intriguing anime with lots of character depth and development that leaves you with a lot to think about, watch Lain.