Depending on what you want out of it I'd say go with a Engle 120 cam 40x35.5 heads 12.5 lb flywheel for the basics ( plus some good carbs)and it will go like snot and last a LONG time
I've got a pair of 40mm dellortos for sale, including brand new Bugpack intakes, air cleaners, and linkage, all for only $650.00!!! The carbs run great, I had them on a hopped up 1600cc,the venturis where a bit big for my set up, but beond that there where no problems with them that I came across. For your set up they aren't the biggest size you could run, but they would work really well, and offer decent torque for a good hot street engine.
If you're interested, e-mail, or PM me.
Mike