A nav unit has things that are really difficult to add later on using the aftermarket. Personally I like tech and creature comforts. If you find you want those things later on you're basically SOL until you sell your car which would really impact the enjoyability (if that's even a word!).
NoVA just means Northern Virginia
VMP Tuned Roush • 79mm Pulley • ID1000 injectors & JLT Intake • GT500 Axlebacks • UMI Panhard Bar, LCAs, & UCAs
Steeda Ultralite Springs • Koni STR.Ts • 19x11 Gloss Gunmetal Forgestar CF10s • 2012 GT Premium 401A Black&Brick