Yes, same as with any other 3rd-party installer.
Keep in mind that SP1 in general, and client profile in particular, is
still in beta though. If you want to go that way, you'll have to wait
until release. Meanwhile, you may just want to experiment with the
beta and see how much does it save you in terms of size:
http://www.microsoft.com/downloads/details.aspx?FamilyID=3D4F7AE6FE-F4D1-41=
96-A372-80EAB6D56332&displaylang=3Den