There are lots and lots of freeware that you can find to do soft-reset, hard-reset, power-off, screen-off, etc.
This
soft-reset program from eITCenter is good.
This
power-off program from eITCenter is good.
There is
PowerCheck which loads as a Today plug-in and can display the soft-reset, power-off, screen-off button. In addition it can display battery power, RAM usage, CF/SD card usage.