+2  A: 
Gnark
i use clipX, which is a very small en good working extension to your windows system
Salandur
well, i found that programm as well - but Im not working on a windows machine :-)
Gnark
+1  A: 

The first feature you've meantioned is often called "Multiple Clipboards." I've found two plugins that do the job, but didn't like either. (IIRC neither could interact both ways with the system clipboard.)

aib