>>1811653BicBluBook is useful if what you need is a depreciation calculator - their values are only based on age and MSRP. But what bikes are actually worth or sell for varies widely depending on your local market, the desirability of particular bikes or colors, other intangibles, and most importantly the condition of a bike which is really hard to quantify.
>>1811669Black Mountain Cycles, Velo Orange, Surly
>>1811725>>1811731Brake noise can also be due to hard or contaminated pads, so take a look at the pad surface. A rubber brake pad full of metal shards will wear grooves in your rim, so noise should not be ignored.