In some very quick testing, the browser plugins on the pyRDFa site [1] 
seem to return better results than the w3c-based web site itself. The 
latter always seems to pull up a mass of stylesheet info (could that be 
intentional?) but the plugin seems to just return the relevant data:

@prefix ns1: <http://www.facebook.com/2008/> .
@prefix og1: <http://opengraphprotocol.org/schema/> .
@prefix v: <http://rdf.data-vocabulary.org/#> .

<http://www.ebuyer.com/387621-apple-macbook-pro-laptop-md102b-a> 
og1:description "Buy our Apple MacBook Pro from our wide range of 
Laptops. The Apple MacBook Pro features a 750GB hard drive and comes 
with 8GB of RAM and an HD webcam."@en;
og1:image "http://image.ebuyer.com/UK/P0387621.jpg"@en;
og1:site_name "Ebuyer.com"@en;
og1:title "Apple MacBook Pro Laptop - Laptops | Ebuyer.com"@en;
og1:type "product"@en;
og1:url "http://www.ebuyer.com/387621-apple-macbook-pro-laptop-md102b-a"@en;
ns1:fbmlapp_id "116440215086168"@en .

[] a v:Product;
v:brand "Apple UK"@en;
v:category "Apple Laptops"@en;
v:description """- Intel Core i7 DC 2.9GHz
- 8GB RAM + 750GB HDD
- 13.3" LED + Thunderbolt
- Webcam + Bluetooth
- Apple OS X LionShow more details…"""@en;
v:name "Apple MacBook Pro Laptop"@en .

[] a v:Offer;
v:availability "in_stock"@en;
v:currency "GBP"@en;
v:price "1149.47"@en;
v:quantity "17"@en .

kc
[1] http://www.w3.org/2007/08/pyRdfa/ plugins for firefox and opera are 
a ways down the page.


-- 
Karen Coyle
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skype: kcoylenet