I have put the engine bay back to its original colours, wasn't happy with the silver, so its back to white:

Cleaning off the old paint:
http://www.flickr.com/photos/67048934@N06/6896533608/http://www.flickr.com/photos/67048934@N06/6896533608/ by http://www.flickr.com/people/67048934@N06/, on Flickr

Back to factory finish:
http://www.flickr.com/photos/67048934@N06/6896534714/http://www.flickr.com/photos/67048934@N06/6896534714/ by http://www.flickr.com/people/67048934@N06/, on Flickr

http://www.flickr.com/photos/67048934@N06/7042631031/http://www.flickr.com/photos/67048934@N06/7042631031/ by http://www.flickr.com/people/67048934@N06/, on Flickr

As it stands now:
http://www.flickr.com/photos/67048934@N06/7042632785/http://www.flickr.com/photos/67048934@N06/7042632785/ by http://www.flickr.com/people/67048934@N06/, on Flickr