I'm not sure that there is a 'best' one as such - they all do much the same thing but with different file formats (that's probably the most confusing part) and I should think if you ask enough people they could all make different recommendations. My purchase was simply based on cost. I have a Silhouette SD and I am very comfortable with it now but it was quite a steep learning curve though!! I don't know enough about other machines to be able to make a constructive comparison. I was totally hooked after about two days of using mine, despite the swearing and cursing!!
Good luck, once you get going you won't regret it
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