There's no policy on this site on digging up old threads, but this thread is almost 2 years old and it's information is all out of date. You're not really asking a follow-up question to an open thread.
There have been tons of standalone coordinate mods released in the past year or two. Here are a few to get you started:
http://www.wowinterface.com/download...iffCoords.html
http://www.wowinterface.com/download...4-Jaknife.html
http://www.wowinterface.com/download...32-TomTom.html
http://www.wowinterface.com/download...-SLCoords.html
http://www.wowinterface.com/download...ordsv1.13.html
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"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff,
The Tao of Pooh