My iPod Classic has 160MB, but it seems to be getting worse. I'm torn between either getting a phone (iPhone or 6P) with 128GB or getting the new iPod Touch wit

My iPod Classic has 160MB, but it seems to be getting worse. I'm torn between either getting a phone (iPhone or 6P) with 128GB or getting the new iPod Touch with 128GB and keeping my Note 3 (I have had consistent trouble with 128GB cards).