Hi Im flying home from PHL-LHR in a few weeks on one of the old non ER 777's (the ones with 17F Seats). Seats 22C and H are unfortunately taken already so Im left with 22A. I realize the exit door will slightly impede my legroom but is this such a bad seat? Or should I just take the middle or aisle further back. BA Source seems to suggest its no better or worse than the other exit rows

Apologies if this one has been asked before! Thanks in advance
Dan