Don't let anyone here kid you... You do NOT need the latest greatest to make a living. In fact, the preoccupation with whatever is newest is rarely the sign of a skilled player, or those secure in their profession.

There are some here working extensively with no better than what you currently have, and some with the EXACT same arranger. If you put your emphasis on learning to play better, and finding your 'niche' musically, you tend to learn that the gear has little real impact on how many gigs you get.

You already HAVE the equipment you NEED. You are simply talking about what you WANT. Be careful to not confuse the two.
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An arranger is just a tool. What matters is what you build with it..!