Whats the difference between Panasonic 32 LXD80 and 32 LXD 8 and 32 LZD80?

[Alsone]

Hi can anyone help with this question.

I'm looking for a 2nd tv, a good but cheap LCD. There are quite a few offers on the Panasonic 32 LXD80 but the whathifi review is of the LZD 80. Whats the differnce between the 2 sets? Whats the difference again with the LXD 8?

 

[Anonymous]

LZ is a 1080p full HD TV, LX models are HD ready.