Kev, very difficult circumstances and each one of us react differently.
I think we could theorise about the pros and cons of the various options open to you till the cows come home.
On the one hand you say you are not sure if you are ready to fly, on the other you say you are itching to fly. I think if you initially go for that dual flight you will be in a much better position to know whether the you feel up to it, or whether you consider your concentration levels are not there yet.
Best of Luck!