Epson has just introduced the XP-400 small-in-one printer for under $100 but it’s got the features a printers that are priced much more!     Epson America, Inc. today announced the EPSON Expression® Home XP-400 Small-in-One™ printer, featuring all-in-one performance in a sleek compact footprint. Delivering an intuitive and abundant feature-set, the sub-$100 wireless Small-in-One…