[DByers]

CREE sets the bar high for LED in lighting applications. The bulbs you bought are a very good choice. They only thing about the lamp I did not like when I reviewed them was the stickiness to the fingers of the lamps envelope. May be an issue with dust and dirt accumulation and then not being able to wipe them clean.
They dimmed very well down to about 15% with several different style dimmers and did the best in terms of mimicking the incandescent lamp in terms of color temperature, 2700 kelvin.

Enjoy them