Embossing... Opinions, Reviews & Advice Needed!

We are in the process of getting ready to mail out our invitations (we have gone over the final invitation proof, submitted the guest list to our calligrapher, and begun to look for a way to have the return address on our envelopes). 

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That's when I discovered the embosser! I love how elegant and clean it makes the invitations look, plus it seems pretty simple to use.

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I have looked at several different places, as you can see below... but I can't decide where to purchase it from!

 Wilshire Graphic Press (wgpress.com)

 Paper Source (paper-source.com)

 The Stationary Studio (thestationarystudio.com)

 Stamp-Connection (stamp-connection.com)

 OTHER - Where did you purchase your embos

This is where I need help and lots of input... If you used an embosser, where did you purchase yours from? Did you like what you got? How well does it work? How long did it take to receive it in the mail? And if it's not too much information, approximately how much did it cost? (The embosser and plates.)