really, using their autostreamer product is way faster for just doing the slip stream.
this is the product i use and its nice and fast.
here is their forums.....
http://www.neowin.net/forum/index.php?showforum=89
dont forget that you need a boot file to enable self booting cd's which will allow setups without disks.
best site i found for creating any win-os bootable cd's.
for creation.....
http://www.tacktech.com/display.cfm?ttid=295
check out their labeling as well so you even get that right after creating the slip streamed version.
all you need is mentioned there or how to get it. they make it a wizz.