Yes a great source of information is a forum associated with one specific retailer, they obviously have no reason to pimp or promote specific products do they

Its not as simple as saying one overclocks better of is faster, they both are capable processors with good and bad points understanding the difference in architecture clarifys this.

To state that the Nothing can beat the Core Duo range at the moment is simply a vauge and misleading statement without stating at what task and under what conditions. Statements such as these are usually made by people who believe benchmarks are valid measurement of performance.
Under certain situations a specific x86 single core processor will even out perform a core duo at certain tasks.

Both are capable processors with different virtues, I own both Core Duo and AMD x2 rigs and respective to my specific requirements..... given the choice to buy only one... it would be the AMD platform.