Most definitely not a top of the range model, as it lacks badging, side skirts and painted mirror covers. You can't judge it much further than that, because the angle and quality of the image hide whether it's got fog lights or even headlight washer units (although I'm sure the latter weren't even available for the unbadged version).
Also it's a pre-2003 model and even the later models are rusty as hell by now. (Have you seen it from underneath?)
So unless it's a 1.4 with very low milage I hope you went well under 600 quid with an up-to-date service history.
On a side note, if you ever had to drive one of these with 998cm³ of 3 cylinder fury and "automatic" transmission I think you'll agree a Scooter feels like a super bike in comparison.