The only thing I had to fight with was the fender splash guards. Once you get those out of the way/removed the rest is really easy.
I'd just make sure you have a long flat head screwdriver, a plastic bit for prying the splash guard and some needle nose plyers.
The screwdriver helps when releasing the clips on the lenses and the needle nose (or pliers) are needed to squish the clip, using the screwdriver after you have one released keeps the lense from popping back on while you get in position to release the other one.
I didn't have any problems with the washer res, it just reduced a little bit of hand room but like I said I had to fight to get the splash guards out, but patience and that plastic flat prybar type thing helped there.