Techadence 

indulging oneself in the latest & greatest technologies out of personal indulgence; surrounding oneself with gizmos, particularly highly customized gear, often to the point of financial stress

Joe replaced his four month old iPhone 4 with a 4S, and will get the iPhone 5 as soon as it is out, driven not only by peer pressure, but her sheer techadence.

Techadence by lookingforcoolstuff November 2, 2011