OP gave no info as to how this bike will be used.

HOY Fiorenzuola Track Bike - HOY Bikes | Developed by Sir Chris Hoy £675
Dolan Bikes - Dolan Pre-Cursa Track Bike £450

Those two companies are based in England. Not sure how shipping would work for you, but I figured that may bring the cost of shipping or duties down compared to some Bike's Direct bike, or something of the sort. Both bikes listed above are of better quality than anything you listed in the OP.