[Elecraft] K2 FW questions

[Jon Pike]

In my continuing efforts of rediscovering my K2,  I'm wondering how 
badly I want the current FW versions.

I currently have 2.01f and 1.02,  not sure what/if it needs one the SSB 
version is.   I don't seem to be able to find a revision list of 
versions back down to mine,  just what's written up for the current last 
couple of 2.04 versions.

It's a 10W K2,  (embarrased to not remember my s/n!) have done a lot of 
the upgrades and fixes probably up to the '04 or so point in time. I 
have a lot, but not all of the options,  antenna tuner, SSB, 160m/RX, 
NB, KIO2?.... No AF or DSP.    So, I'm wondering what feature additions 
am I missing,  or am I pretty much OK as is?

Thanks...

Jon KA6MOK