1. On the lifespan, I've heard numbers of around 7-10 years for the regular style.
2. On Roxio: Just about all the hardware junkies I know refer to this as "EZ-Coaster Creator" and use Nero instead. Now, if you've already got it, and it works for you, that's great, but if you're thinking about getting a CD-burning package, take my words under consideration.