Zetec vs s2000 engine

[Longerr]

Hi all,

we are planning another build, we are thinking about zetec 2.0 or an engine from S2000, the price for s2000 engine and gearbox is about £3200, I have found zetec 2.0 for £990 but without gearbox. (is there some other place in UK where to find engine and stuff?)

The question is, can the 2.0 Zetec engine plus some gearbox and with some modification be for better price ration than the complet s2000 engine?

I mean s2000 has 240HP stock and how much money would I have to put to Zetec to make it at least 200HP?

What do you thing is a better overall solution?