definitely - RC 1 was so buggy, i ended up going back to 1.47 but RC2 has been running like a champ - i love it.
As for speed, it's still only a 1ghz processor, but with a gig of ddr533 it holds out really nice - i wouldn't use less then that if you're going to run SD or CF - maybe frodoplayer or RR, but with as cheap memory is these days, it's not worth it. I've had iguidance up, playing mp3s and i'll get a phone call and there's no lag at all. Really impressive for such a small package.
One other thing - i was originally going to put the Artigo setup in the glove box pocket but a few things stopped me:
I didn't want to open the glove box and see all my usb cables hanging out everywhere - it needed to look OEM or be hidden.
The pocket would need to either be cut or removed completely to string cables in your console. Removing the pocket left dead space that you could see around into the dash pretty easily - it also made the Heater blower louder when it was on (i thought it looked tacky) (BTW, if you decide to cut your pocket, and want another to go back to stock or incase you mess up, The king of parts sells them for $14 bucks and the part number is 66128AG02A)
Also, the artigo case will NOT sit side by side a 5.25" laptop DVD drive in the pocket without modification! It will either have to sit on top, or you'll have to flip the artigo case so that it's in length wise.