Best Board to upgrade K40

Hi I Have a K40 laser and would like to switch from current software (coreldraw and K40 Whisperer) to Ligtburn…
I have a stock nano2 board and would like something fairly simple to upgrade my machine. I live in UK so my options is a little limited to those from US but what would you say is the best bet? any links welcome if OK with rules :slight_smile:

This is a fairly common question and came up again recently. Check this post for my take: