Coda 1.5: It Has Subversion Support, So We Can All Switch Now.
The title says it all, and this quote from the description page:
Subversion. Work with a team using the most popular source control system there is, baked right into the sidebar. Check out code, update, commit changes — yep, Coda just saved you even more time.
And it’s a free upgrade? Yow.
Update: Release Notes 11 New, 82 Improved Features. Yow indeed.