Pinarello Questions

I've got one that I bought - a Pin track bike - for 600 quid from a bloke in switzerland - a pic is on my profile. If it's like that I reckon it's a bargin mate. Then again I may have paid over the odds for mine. :S

That's the one. The paint work isn't as nice but yes the same. Traffic is more erratic here in Spain so I feel I need a brake. Does anyone have experience with the Diacompe clamp brake? Or is it crap?