Which depends on your use. Don't forget you have to empty the cards too. But I agree a "normal user" shouldn't worry. Now, we aren't here, normal users, so we still should know about that. Don't forget an MTBF is just that ... an MTBF.
Regards ;) ---------------------- Thibouille ---------------------- *ist-D,Z1,SFXn,SuperA,KX,MX, P30t and KR-10x ...

