Ok, at extreme speeds time slows down for the one traveling near c, but light does not, so light would look like it does now(this simply follows from the fact that as time slows down, though you are traveling near the speed of light, the slowlyness of your timelyness would cause the light to appear as if it was going to same speed no matter how fast you were watching it from.). If traveling AT the speed of light, time would theoretically stop, so you wouldnt see ANYTHING until you reached your destination(assuming you could devise a way to stop without crashing), which to you would seem like no time, but actual time would be however far you traveled in light years.
As for the observer, red shift blue shift, you can think of it as a light based sonic boom, just compressions of the spectrum. at least this seems logical to me, though since noone has ever gone that fast its up in the air as to how people observe light at those speeds.