The Janome DC1000 is a entry level, light weight computerised machine.  It has 30 sticthes including a memory buttonhole.  Very portable only weighing 5kg and is slightly smaller in overall size.  This machine is very easy to use and great for beginners.
 
Other features
Needle up/ down
reverse
30 stitches
memory buttonhole
LED light
built in needle threader
top loading bobbin
free arm
clip on feet