After you hit a few bumps, and note the slower acceleration you'll likely end up taking the R brakes back off and putting them up in the classifieds.
They are not a good street upgrade.
They are not a good track upgrade.
They are not a good upgrade.
Your current set up is much better.
Other brakes have better bling factor if that is the only goal.
Get some studs on there too, if you're searching for parts I'd do a stud conversion way before R brakes.
Boxster brakes, don't these just scream look at me? I got laid all over the place with these brakes!
You seem a little on the fence about the whole thing.
Well we will see if I like them. Mostly this is just fun trying different stuff. If I really don't like them I will try something else.