There is a list available with all the default site templates which exist in the 12 hive. Always nice to know which site it is:

FOLDER SITE NAME
BDR Document Center
BLANKINTERNET Publishing Site with Workflow
BLANKINTERNETCONTAINER Publishing Portal
Blog Blog
CENTRALADMIN Central Administration
MPS Includes the site definition configurations for:
  • Basic Meeting Workspace
  • Blank Meeting Workspace
  • Decision Meeting Workspace
  • Social Meeting Workspace
  • Multipage Meeting Workspace
offile Records Center
OSRV Shared Services Administration
PROFILES Profiles
PUBLISHING Publishing Site
SPS SharePoint Portal Server Site (legacy - this template is obsolete)
SPSCOMMU Community area template (legacy - this template is obsolete)
SPSMSITE Personalization Site
SPSMSITEHOST My Site Host
SPSNEWS News Site (legacy - this template is obsolete)
SPSNHOME News Site
SPSPERS SharePoint Portal Server Personal Space
SPSPORTAL Collaboration Portal
SPSREPORTCENTER Report Center
SPSSITES Site Directory
SPSTOC Contents area template (legacy - this template is obsolete)
SPSTOPIC Topic area template (legacy - this template is obsolete)
SRCHCEN Search Center with Tabs
SRCHENTERLITE Search Center
sts Includes the site definition configurations for:
  • Team Site
  • Blank Site
  • Document Workspace
Wiki Wiki