which bike should i get?

i am a complete newbie to road bikes and i am planning to get a bike
with around 300 pounds.

i've been searching different websites and finally came up with these
three choices.

may i ask for some advice on which one to get?

Viking Ventoux
http://www.amazon.co.uk/Viking-Ventoux-Racing-Limited-Special/dp/B005WJGPB2/ref=sr_1_15?ie=UTF8&qid=1320345398&sr=8-15

Coyote Big Sur
http://www.bikes2udirect.com/B3999.html

Viking San Marino
http://www.parkersofbolton.co.uk/p-2079-viking-san-marino-gents-18-speed-road-bike.aspx

thank you very much
.