And in the context of XP, which is where DTSTTCPW comes from:
The one you can use right now in order to get feedback from real world use, which will be much better at guiding you in improving the solution than what you thought was "best" before you had that feedback.
Real world feedback is the key. Get there as quickly as feasible, then iterate with that.
The programmer's mind is the faithful ally of the perfect in its war waged against the good enough.
The "best" solution for most people that have a problem is the one they can use right now.