Some good suggestions, thanks all!
Have decided to withdraw some to cover extra Christmas presents and a dinner out for the family and will set aside a roll of $700 to continue!
So now, what to play and where... The end game goal was to get back to the $2.50 180-man Turbo MTSNGs and I feel I will be comfortable playing those with a $700 bankroll, thus giving me 280 buyins.
As I have money on both Stars and partypoker - I will likely grind some $5.50 SNGs there too (127 buyins) although unlikely to grind those heavily and just continue with the 180s for most of my sessions!
That said - I will stream some of both tonight starting at 8pm (in just less than an hour)