Sounds good mate. Not trying to sell you nothing or advising just as I've got one for sell, but if you do go down that route I've got an ecu for sale, with a my the map from my new engine on it just made safer, so only needs a tweak advanced and leaner fuelling etc.
Got it built last year for £350 but never ran the car on it, well did but it's a long story. I'd sell it it for £150.
Isn't head porting like £400+ anyway?