Sentence:  Of those migrating to the iPhone from other devices, a good number of them are former Treo users who found Apple's device to be a souped-up, <WSD>snazzier</WSD> and even easier-to-use version of the Treo. 
Meaning of the word marked with <WSD> tags:  Excellent; clever, ingenious, or adept in behavior, operation, or execution.