For those who just can't have enough buttons, I whipped together an OS X Finder menu bar gadget called OpenInSublimeText.
It's here on github:
And a screen-shot can be found on this page:
It's a total rip of Henrik Nyh's wonderful little "Open in Textmate" gadget. If anyone wants to try it out and let me know if it doesn't work for you, I'd appreciate the feedback.