so just done a couple of minutes browsing and found these
http://www.pistonheads.com/classifieds/used-cars/subaru/impreza/subaru-impreza-sport-awd----------------2000/1705586
http://www.pistonheads.com/classifieds/used-cars/subaru/impreza/subaru-impreza-41t-gx-sport-sportwagon-2004/1732215
the blobeye looks pretty good low mileage extensive history
another silver blob probably higher mileage
http://www.autotrader.co.uk/classified/advert/201303296014526/sort/default/usedcars/engine-size-cars/2l_to_2-5l/body-type/estate/model/impreza/make/subaru/onesearchad/used/onesearchad/nearlynew/onesearchad/new/postcode/dy116bx/page/1/radius/1500/keywords/sport?logcode=p
classic in blue FSH 80K
http://www.autotrader.co.uk/classified/advert/201309299017224/sort/default/usedcars/engine-size-cars/2l_to_2-5l/body-type/estate/model/impreza/make/subaru/onesearchad/used/onesearchad/nearlynew/onesearchad/new/postcode/dy116bx/page/1/radius/1500/keywords/sport?logcode=p
mmmmmm lovely hawkeye :)
http://www.autotrader.co.uk/classified/advert/201310039094175/sort/default/make/SUBARU/model/IMPREZA/postcode/dy116bx/radius/1500/keywords/sport/engine-size-cars/2l_to_2-5l/body-type/estate/onesearchad/used%2Cnearlynew%2Cnew/page/2/advert-type/featured-listing/dealer/772/usedcars?logcode=flp
and one in black at lower price
http://www.autotrader.co.uk/classified/advert/201309198865127/sort/default/usedcars/engine-size-cars/2l_to_2-5l/body-type/estate/model/impreza/make/subaru/onesearchad/used/onesearchad/nearlynew/onesearchad/new/keywords/sport/page/3/postcode/dy116bx/radius/1500?logcode=p
ok so there are quite a few out there in really good condition - oh and I have seen the classic for £595 with a noisy gearbox, I would not recommend you buying that particular one ;)