After QuiltnNan's post I decided to Google. Looks as if the Grace Sure Stitch is compatible with the 98e:
http://www.sewingmachinesplus.com/gr...titch-juki.php
Also Handi-Handles:
http://diamondquiltworks.com/for-sal...e-for-sale-800
Edit: If you are considering ordering from the sewingmachinesplus website, be aware that they often have discount coupons:
http://www.tjoos.com/Coupon/84438/Se...chinesPlus.com