spiffy

spiffy /spi'fee/ adj.  1. Said of programs having a
   pretty, clever, or exceptionally well-designed interface. "Have
   you seen the spiffy {X} version of {empire} yet?"  2. Said
   sarcastically of a program that is perceived to have little more
   than a flashy interface going for it.  Which meaning should be
   drawn depends delicately on tone of voice and context.  This word
   was common mainstream slang during the 1940s, in a sense close to
   1.