Suggestions on best headlights?

[Uber Affe]

Those tail lights are pretty steep! $189.00?
What's the difference between those:

http://www.tuningzubehor.com/cfb.asp...7&veh=25&cso=0

and these:

http://www.memoimports.com/1600_smok...mber_lense.JPG
(not manufactured by hella so:$28.50 a pair)

and these:

http://www.socalautoparts.com/HotVWs...Ws_Ad_p01.html

?????

Also, Do you need to have the metal backing from the original lights?

I'm wondering if it isn't a good idea to use them on the elephant style since my bubble/ flats came w/ a plastic backing.

Need to know before I spend the dough...heheh

I made a rhyme!