Well am on my 4th serger, long story. I bought this one a Pfaff 4862 coverlock with auto tension. $1100. + books on serging CDs and thread.
ah used it twice now to make 2 nighties for sumer. VERY expensice nighties if ya ask me LOL
It is on my some day I will learn and use it more, but If I did not have it would I miss it? NOpe not at all.