SATA HDD's - What' the difference between these

[westyfield2]

What is / are the difference(s) between these 2 Maxtor SATA Hard Disks.
<A HREF="http://www.overclockers.co.uk/acatalog/Maxtor2.html#aHD_2d040_2dMD" target="_new">Maxtor DiamondMax Plus 10 NCQ 300GB 6B300SO SATA 16MB Cache - OEM (HD-040-MD)</A>
<A HREF="http://www.overclockers.co.uk/acatalog/Maxtor2.html#aHD_2d052_2dMD" target="_new">Maxtor MaxLine III NCQ 300GB 7L300SO SATA 16MB Cache - OEM (HD-052-MD) </A>

As far as i can see they are BOTH 300gb, 16mb cache and 7200rpm ... so why £10 difference.
Thanks

 

[westyfield2]

What's the advantage of SATAII ???

 

[westyfield2]

Thanks