It looks like both of them are in the main IPS repository now:
$ pkg info -r sunstudio12u1
Name: sunstudio12u1
Summary: Sun Studio - C, C++, & Fortran compilers and Tools
Category: Development/Integrated Development Environments
State: Not installed
Publisher: opensolaris.org
Version: 12.1
Build Release: 5.11
Branch: 0.111
Packaging Date: Wed Jun 17 22:54:13 2009
Size: 883.30 MB
FMRI: pkg:/sunstudio12u1 at 12.1,5.11-0.111:20090617T225413Z
$ pkg info -r sunstudioexpress
Name: sunstudioexpress
Summary: Sun Studio Express - C, C++, & Fortran compilers and Tools
Category: Development/Integrated Development Environments
State: Installed
Publisher: opensolaris.org
Version: 0.2009.3.1
Build Release: 5.11
Branch: 0.111
Packaging Date: Wed Jun 17 23:08:35 2009
Size: 762.40 MB
FMRI: pkg:/sunstudioexpress at 0.2009.3.1,5.11-0.111:20090617T230835Z
--
This message posted from opensolaris.org
