Thanks so much for the speedy reply! I have that link bookmarked!

I didn't think the Protank 2 would fit 510 driptips?
I really like the IBT tanks...I was looking at placing an order but wasn't sure which options to choose. I know I wan the standard size, but which Cartomizer would you recommend? Would I need more than one? Also, what is an IBTipsy?
Great choice!! I'd have to agree with Oz, (this one time) as far as using the Protank 2. Teena's drip tips will fit them. There's so many different delivery systems now. Lots of us use cartomizers and the IBTanked tanks are decently priced and great quality. I use the standard size, the 19mm one will line up with the taper on the ProVari, the 22mm one overhangs the taper. There are beauty rings that get placed over the taper and lines up with the tank so the body and tank look like one straight piece.
IBTipsy are just drip tips that match IBTanked caps colors.
Check out this another post by Baditude:
http://www.e-cigarette-forum.com/forum/provari/503247-best-tanks-provari.html#post11572603
HEY!!! You just disagree with me all the time because you didn't get those photos of me in the shower!
As previously mentioned, the PT2 & cartotanks will all take the 510 tips. The IBTipsy is an aluminum tip; it's just another addon, nothing necessary unless you like it. Apart from deciding between the 19mm & 22mm tanks - as Susan said the 19's are perfect as is, the 22's will work but they look better with a beauty ring - you'll get to choose 1 of 3 different lengths. You can get the shorty tanks, but I don't know off hand which cartos go with those specifically.
I highly recommend the Ikenvape carto's. If you go to their site, click on 'Punched!' on the left hand menu. There's 2 different types, the fusion & the platinum. The only difference is the flange just above the threads (on the Fusion, the Platinum doesn't have the flange). The flange is very nice for use with tanks; it helps to line it up perfectly, without going too far or not far enough when you insert the carto. The 2nd option is LR or SR. That's how many ohms each carto is (Low Resistance or Standard Resistance). If you like a warmer, more cigarette like hit, go with LR. If you like a cooler hit, go with SR. That's all personal preference. The last option is the standard or Mega. This is the length of the carto. If you get the standard sized tank, the standard carto will be a perfect fit. If you choose the XL tanks, you'll need the Mega. You can always put a longer carto in a shorter tank, but not the other way around (the Mega will work fine in a standard tank, but the standard will not work in an XL tank).
I like the XL tanks since you don't have to fill them as often. If you choose to go that route, I'd recommend the 510 Mega Fusion in either SR or LR (depending on if you want a warmer or cooler vape).
If you like the shorter, standard sized tanks, I'd recommend the 510 Fusion in either SR or LR (again, depending on how you like your vape).
Iken often sells out, but put yourself on the email notification list and/or keep an eye on this subforum. You'll hear about it here first, but the email notification is a failsafe. If they're out of the ones you need, the Smok's that IBT sells along with the tanks will get you by, but they're very inconsistent & a lower quality. I've heard Boge makes a good carto that's between the Smok & the Iken, but I haven't personally tried them out.
Edit: I'd also agree with Cob (all the time, not just once) that if you buy the IBT's, the paint job is less than spectacular. I got 1 of my 5 with painted glass & immediately ordered a clear replacement for it. There's plenty of other ways to 'bling' your new Provari, I just wouldn't recommend paying extra for them to decorate the glass. The paint on mine was sloppy & hastily applied, leaving a lot of bubbles. The spirals look good, but I've seen more photos of unevenly painted spirals than I have of good looking ones.