Keep the 910! You will cry if you don't.
I have one machine for sewing (a viking with fancy stitches) and one for FMQ (a straight stitch only Voyager on order)I am not sure about the pricing on these, but keep in mind a 17" throat machine is "only" $3000, or a 9" Juki is "only" about $600. I have one machine for each job, rather than one machine to do ALL the jobs.