well i dont think you know your mi16's very well then, i had a 405mi16 which had over 160k on the clock and it never have me any trouble!
mind you, i do agree that to get over 200 bhp without spending in excess of 3k and keeping it n/a is a hard task, im going to pick up a near race speck mi in the morning, we are only hoping for around 220 bhp but that will be on carbs and not itb's.
plus its like running a 1.8t in a mk1, its all good having loads of bhp but without a good transmission set up you find yourself getting bored of tyres being left behind you on the road.