These are the tubes I have on hand as of 1/5/2013.
Some of the large tubes I have (8877 etc) are not in this list.

25cd6  *
 6dq6  ***
12dq6  *
17dq6  *
 6fw5  *
17gt5  *
 6gv5  *
 6gw6  *
 6hj5  *
 6hs5  ***
26hu5  **
 6hv5  **
 6hv6  *
17jb6  *
22jf6  *
 6jm6  *
17jm6  *
 6jn6  ***
31js6c *    (6js6c)
30jz6  **
30kd6  *    (6kd6,8950)
 6km6  *

5894   *
6146   ****
6883   **
8167   **   (4cx300a)