I used to use the colored aluminum needles, but found that the tips wore off, too. I was knitting something in a light color and found that they gray of the metal had discolored the yarn after I switched to a different needle and saw how much lighter the yarn was with them. I'm hooked on my Addi's and Options now, but if I were to need to use aluminum ones again, I wouldn't use them after they'd worn away.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry