Best contribution for Ultra 10?

[Dave Barnett]

All:

I have finally retired my Sun Ultra 10 from active use as my firewall.  
It is running Lenny, and is up-to-date.

I've used Debian for some time to my benefit, and now that I am in the 
position to do so, I'd like to give back to the Sparc port.

There is nothing on the machine that is irreplaceable, so test 
installations or other "destructive" events are fine by me.

What area(s) of the Sparc port would benefit from the machine's, and my, 
time?

Thank you.

Cheers,
Dave