Any hardware tinkering with 7xx series ?

 

More of a general question since I recently had to crack open my 750 to replace the battery.
Has anyone tinkered with or successfully modified hardware inside your Garmin?
What did you do and what results?

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Std. Nuvi 205 & Custom Nuvi 750 with 16GB SDHC - find me on discussions.virtualdr.com ... and the XDA Developers forum ... always playing with my gadgets :-) My "personal" IT support: www.bitmedics.com