[Elecraft] Just bought a K3/10. What upgrades should I get?

[abullington at comcast.net]

Years ago I built a nice K2/100 which I still have and love but I saw a K3/10 for sale this morning on QRZ and bought it. It should get here Tuesday. It’s serial number is 3521 and the seller said it had been back to Elecraft in the last couple years for updates. not sure what that means exactly. It has the 400 hz cw filter and an SSB filter but that’s all I’m sure of. I’m 95% CW here and not a hard core contester. There seem to be all sorts of little tweaks and major upgrades and stuff that needs other things installed to work etc. My head is spinning from reading the options. I am certainly getting the 100 watt module and I guess I should get the new synth module if it doesn’t have it. Any advice? This will be by far the best and most modern radio I have owned. Thanks in advance.

Andy B      W1AWB