If I replace a RROD 360 - what do I do with my HDD/Arcade games?

[maby66]

My bang on 1 year old Premium has just given me 3RROD.
I'm going to first take it back to the retailer with my receipt and ask for replacement - but am unsure about my HDD and everything else.
Is it possible the retailer will allow me to keep the HDD and everything else from my pack and just exchange the console unit?
If they do, will there be any issues with my saved Arcade games etc being linked to my previous console?

Advice welcome.

 

[maby66]

Thanks for the responses - I'll be sure to take a note of the serial number before going back to the shop....