l was sooooooo close to talking myself into a 4500, that I just talked myself out of it.  Darn...... I'm sure other must have struggled with this question so I'm looking for how you may have worked this out.  I technically own a few machines, but I have never had a NEW machine and now I'm ready and just can't narrow it down.  I want to run the heavy thread but in reality I don't see myself sewing thicker than 1/2 inch on most projects.  I like the idea of the longer arm but Is it worth the extra