PA-80 is the combination of a very synthesizer, arranger and sequencer.

other arrangers keyboards would skim on sound editing, sequencing features.

PA-80 is a full fledged synthesizer and sequencer also. It has the same capabilities as TRITON. Both the sound editing features and sequencing is same in Pa-80 and TRITON. You could play sounds from TRITON on PA-80.

If you are also looking for making your own sounds and sequencing you own songs, go for PA-80 /60.