I'm wearing through nibs pretty fast on my 5... I'm on my third nib in les than 6 months, when I haven't had to change nibs once on my intuos 4 in over 2 years. So I ordered 2 replacement packs (4 or 5 nibs each) from B&H. about 5 bucks each, plus shipping=15 bucks. not that big a deal....