Those binoculars should last you a long time. I had a pair of cheap Bushnells, and my parents have a pair of Tasco's. I bought a pair of Wind River 10x42 Roof Prisms in April of 2002. I can't even look through my parents binoculars anymore, they hurt my eyes right from the start just trying to get focused. I was still in high school then, so those binocs were worth almost a month of wages. I plan to buy another pair here in the next year or two, probably Leica, Zeiss, or Swarovski.