i would go with afc and injectors for one main reason which i would need the answer of....
what td04 turbo is it? where did you get it from? if it's a greddy turbo for the SOHC, the blue box will be fine (but i would suggest upgrading) I would really be concerned about usuing a blue box meant for a specific turbo setup and using it on a different turbo.

sleeper, are you sure you can use 310's with the blue box to hit 11 psi?? I would think that would cause a CEL....
by the way supermac, you have plenty of other thigns to buy