If you are more strat or tele, than the 69 because the neck is close to a strat
The 59 is more a big Gibson neck
About the Sound
I had a Standard before strat neck , very confortable
now I own a 59, and for me the 59 sounds better, but the neck is bigger
No depends the strings quality and the gauge aswell
I play for years with 46-10
And one day I decide to change and go for 49-11 and that's it, sounds better on acoustic, metal
Now I put always 49-11, but everybody have another opinion!