JimJammin
Don't be too put off by the responses from people who are substantially older than you -and at 50 I am also a member - but in your defense it is likely that music for you at 16 is less a business than art. It can be puzzling to artists that the public does not seem to care about the finer points of art - only about what they like - the same holds true for music. At 16 - and given the range in quality for arranger kb's over the last 10 years - it would be surprising to me if you didn't find the styles 'cheesy'.
The public generally is willing to pay arranger keyboard folks to play because it helps them entertain themselves - which is primarily what party goers are out to accomplish. It's best not to confuse the job of a professional musicians with the job of an artist. Each has a little of both in em - but one tends to starve a bit more -

In defense of manufacturers though - sound reproduction on arrangers is improving nicely. The reason is simple - they are working. People familiar with how disappointing and expensive a bad band can be- are right to look at these kb's as a possible improvement - and certainly someone your age can envision how the timing of elements in music can make a wonderful production. Those tools are available to the composer and artist - right on a good arranger. So - if you choose - you can use the keyboard of a professional entertainer in a way that lets you go starve like an artist.

good hunting
Mike H