LED Tail Lights and HID Kits Questions?

Hi yall! I'm really new guy in this forum. I just got the 07 mazda 3 hb, im planning to change the tail light to the led tail light. Also, i wanna get the HID kit headlight. You guys have any suggestion about those. Where can i find these stuff? Please share with me. Thnx a lot>>>

www.thexenonstore.com
www.xenonexpert.com

There are multiple kinds of LED tails out.  I think both of those stores sell the aftermarket LED tail, vs. the OEM LED tail.