I have a Pfaff 2144 and also the embroidery unit 3D software. I haven't used my 3D in about three years -- learning curve was just too steep when you have babies underfoot. I saw a post on the Pfaff site where you can trade in your old software for new new software and get a $350 rebate. I hate to pass on a good deal, so wondering if I should upgrade to Pfaff 5D or get Embird? Thoughts?