eBay for a cheap windscreen

http://cgi.ebay.co.uk/FORD-ESCORT-WI...3286.m14.l1318

(any mk3/4 escort or mk1/2 orion screen will do if you're not too fusy about green tinted ones or heated ones) - then fit it yourself with the aid of a friend and 5 metres of 1mm electrical wire.

Tis worth spending £3 at your local discount shop for some rubber window sucker tool-things to aid holding it in place.