Mike, I agree with Matt if I had it to do all over again, and some day I may upgrade anyway.
I've not turned on one of the new Deltas, but I've been turning a Jet mini for about 15 years. I added my own variable speed and reverse before Jet was even thinking about it. I put a 1 HP variable speed motor on mine 11 years ago. I've had no problems with it, and like Matt I do a LOT of turning on it.
If you can't swing the price of the Vicmarc and you plan on turning other things besides turkey calls, I would suggest getting the Jet 1220 variable speed. You will find that the extra size capacity will be beneficial if you don't have a bigger lathe. Matt and I both have larger lathes as well.
I have a Jet air cleaner a problem with it recently. One thing I can tell you about Jet is that their customer service is the excellent. Their technicians are very helpful and service is fast.
Since you mentioned that you are a turning Rookie, the other thing I would suggest is that you get some lessons on proper turning techniques from someone. It will shorten the learning curve considerably. The American Association of Woodturners has chapters (clubs) all over the nation. You can go to their website to see if there is a chapter close to you. The chapter members are more than willing to help rookies. In the meantime, if you have general turning questions, Matt and I will more than glad to help out. Just PM one of us or both.
Hope this helps,
Danny