Singer Futura CE 250 Sewing and embroidery machine    US $600.00

SINGER FUTURA MODEL CE 250 EMBROIDERY SEWING MACHINE    US $579.99

SINGER FUTURA XL 400 SEWING EMBROIDERY MACHINE    US $599.00

Singer Futura CE 150 FS w 3900 Designs DVD    US $529.00

Singer Futura CE 250 CE250 Sewing and Embroidery Machine Fast and Free Shipping    US $699.00

SINGER FUTURA SES 1000 SEWING MACHINE WITH EMBROIDERY UNIT BRAND NEW IN BOX    US $500.00

Here's a list of differences between the 2 machines according to Singer Co.

Differences between CE-150 and CE-250:

Basic machine -
CE-150 has 24 built-in sewing patterns including 2 different one-step
buttonholes. 

CE-250 has 100 built-in stitch patterns including 4 different one-step
buttonholes.

Both include the same accessories:
Pack of needles
6 15J bobbins
2 spool caps -1 ea large & small
Buttonhole Opener/Brush
Screwdriver for needle plate (large)
Screwdriver  (small)
Zipper foot
Button sewing foot
Blind stitch foot
Satin stitch foot
Thread spool net (1 ea long and short)
Removable thread guide

Software-
The CE-150 includes the base Futura program used for downloaded designs
into the machine.  Includes a Library of 120 built-in patterns.  Will
read and import designs in the following formats:  FHE, CHE, PSW, XXX,
DST, EXP, HUS, SHV, VIP, SEW, JEF, PES, PEC, and PCS.  Includes 5
built-in fonts - Arial Large, Block Large, Script 2, Courier and Times
Large.

The CE-250 includes all the above software with Autopunch program.
Autopunch is used to create your own designs from basic graphic images.
This may be purchased for the CE-150 along with any of the optional
software (Hyperfont, Photo Stitch and Cross Stitch.)

The CE-350 is the same sewing machine as the CE-250 with the same
software plus the edition of the Advanced Editing program.  Advanced
Editing lets you edit the design color blocks density, stitch direction,
fill types etc.