Hope you've got a car! Okay:
- McKinney, TX (30 miles from Dallas) has the Guitar Sanctuary, a unique building with unique guitars and amps. PRSH made a personal appearance here, if that gives you some idea.
https://www.theguitarsanctuary.com/
- Keller, TX (also 30 miles away) has Guitar Maverick. Make an appointment to visit. JD's got the good stuff!
http://guitarmaverick.com/
- North Dallas has The Tone Shop, run by Tommy Roberts, ex GC super guy. Good depth in Gretsch guitars.
http://shop.toneshopguitars.com/
- North Dallas GC (yes, GC) on 635 has a good selection of better instruments including 594s. The Central Dallas GC on 75 no longer does.
- Charley's Guitars, in North Dallas. Haven't been there in years. I know it's a legendary place but I think they've been riding on the SRV mystique for a few decades. If you're nearby anyway, maybe stop by.
http://www.charleysguitar.com/
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