budbecks

Hi all, Just got me hands on a AVIC-X1R. Well it came with the vechile !! Just wondered what else can be plugged into its brain ? I want to get a remote and i think im right in saying that the CD-VC1 is the correct one for my unit. Would love to know what else can be added like bluetooth, external HDD, camera etc etc. Any help or links to useful info would be great. Thanks in advance. BB