Some folks have been shying from the E-series, so here's a screen shot from ~5 minutes ago to prove it's near-newness. (the blue squares go away as life decreases, just like in video game life). I have used this card four times.
Panasonic claims that full daily use will limit it to an approximate 5 year lifespan - extending far upward if used at a more normal frequencies. For all intents and purposes, it'll last at least as long as your P2 camera does in professional use.