The Puma lights are very nice, I have them on my car as well. You might want to talk to Paul @ Puma, he can get you clear corners for a good price if you buy the headlights.
The Euro's are not difficult at all to install. About three bolts, a snap ring at the top and they're off. Tape everything off before you start to prevent scratching the paint and you'll be all set. Do a search and you should find instructions.
Here's a shot of mine, you'll see that I actually modified my Euros to fit the stock wipers:
02 C32 AMG
84 190E 2.3 5 Spd