Originally Posted by KonradNYC
I'm in total agreement with you. Everyone's talking about these aluminum bottles verses plastic bottles. Just get a stainless steel Klean Kanteen. Mine don't rattle at all and I use a standard metal bottle cage. However, if you're worried it's gonna rattle, Klean Kanteen makes a plastic bottle cage designed for the metal bottle.
Also, the water comes out just as fast as squeezing a plastic bottle, due to the suction valve in the cap. Plus, they look way better. If you're not a weight weenie and you want good tasting water, I don't see why you'd go with anything else.
Only issue I had with my Klean Kanteen was that coming down a hill at 33mph I hit a bump and a full bottle flew out of my cage and was crushed by and SUV behind me.

At $16 a pop it can be a pricey to lose vs. $3-$4 for a plastic one.