for the $ ,you might get a used MotES 61,76 for that price-to avoid the weight of the 88'ts.
I got my XS 6 for $1650 used ,was like new,it's light and up-to date.Before our MOM got his roland rd 700(for the wtd keys)we were looking for another motif,we had another Clavinola that would have been used in the sanctuary,leave the weight at home for road trips.
try a set of GOOD headphones;most keyboards don't sound good in mono.When I listen to u-tube thru the "cans",even the cheap soundcards in most computers improves.
My last church had shifted to playing with headphones+it really helped!!!!!!could FINALLY hear