Phone sto buy within your budget:
100-150$ Samsung Focus
150-225$ Samsung focus Flash, Pantech Burst(insanely fast)
225-300$ Photon 4G, Atrix2
300-400$ iphone 4, Htc rezound (GSM a bit iffy), NITRO-HD (Gorgeous display), Galaxy nexus,
$400- infinity 4s,One S and one X