I agree that it would be best to take your wife shopping for the machine. What you might research and think is perfect for her, might not be what she wants. A lot depends on what type of sewing she wants to do. The machine that someone who only does quilting picks would be different than the machine that someone who does a lot of garment construction would pick which would also be different than the machine someone who plans to do a lot of home dec type sewing might pick. Take her along and then go out to dinner after. She'll love it.
LOL. I replied before I looked at the date