Mine came in the other day, easy plug and play in about 5 minutes. I did connect one the wrong way on the plug and it did not fire, reversed it and worked started right up. I dont have any experience with LED's or HID's, but these seem to be a big improvement over the stock H11 bulbs. It should really help on those rainy Pacific NW nights where it is hard to see the lanes.
The only thing I dont like about these so far is that they do emit a slight buzzing sound that I can hear in the car with the engine idling.
Before
After
Anyone run these in high beams or fogs?