The Good: Navigation system shows live traffic conditions; sophisticated digital audio system; voice recognition covers many functions; Bluetooth hands-free system; all of the above come standard. The Bad: Hard-to-learn center console screen interface; no backup camera or DVD video. The Bottom Line: The 2005 Acura RL offers one of the richest blends of technologies in a car today. 2005 Acura RL 3.5Acura has staked out technology as its territory, and the 2005 Acura RL 3.5 is the company's deed of ownership. The sheer number of digital goodies in this machine gives this car unique appeal to highbrow techies. Unfortunately, its frustrating LCD keeps the RL from being iPod elegant. Available only with a 300-horsepower, 3.5-liter V-6 engine and a shiftable five-speed automatic transmission, the RL prices out at around $49,000. If you're looking for a luxury sedan that makes the strongest technology statement and you can live without V-8 power, this is a formidable candidate for your dollars. The star of the Acura RL is its GPS navigation system with NavTraffic live traffic data in