These 2 tools are Freeware from Visualware (maker of VisualRoute)
Though somewhat limited, they are none the less useful.

http://www.mycooltools.com/

1.  cpuinfo.exe - just double click to run (no installation is needed).  It will tell you
what type of processor you have and it's speed, along with cache and some memory info.

2.  whoami.exe - just double click to run (no installation is needed).   This is a small program
that will check your TCP/IP settings and test your Internet connection.  Once again, limited,
but still useful.