[Hoff]

There is life beyond SV.

There is success beyond SV.

There is funding beyond SV.

Ship it.

Figure out if you need to "open a US subsidiary" later.

And besides, "opening a US subsidiary" sounds a whole lot better to the visa-issuing folks and the funding folks and to the folks in whichever US region you might want to move to than does a business in its bootstrap stages.