Hi everyone just wondering i have a keyboard which has midi connection 5 pins at the back.

About the keyboard below:

http://www.argos.co.uk/static/Product/partNumber/5407945.htm 

i was wodnering if i get a midi lead do i need to get a midi interface or just get o of the two


Also this is the 1st product below i am thinking of buying:

http://www.maplin.co.uk/Module.aspx?ModuleNo=1096&criteria=midi&doy=31m12

Below the second product i am thinking of buying:

http://www.indigo2.dk/edirol/images/um1ex.jpg

so could someone help me on what midi cable i should get.  I would be greatful if any pro producers could help me or NfX.  

Thanks