You will love the Joye eGo!
If it were me, I would not get the TW kit. If you look at their starter kit, you will notice that it only comes with the standard 510 charger and an adapter to connect the eGo battery to it. You need to buy the fast charger as a separate accessory for $13. I took a quick look at the other two kits you were looking at and they both had the fast charger listed in the description. (Double check me before ordering.)
What this means for you is:
The TORNADO uses a 3.5 volt, 650 mAh battery to provide the user with an excellent long lasting battery.
This means however, with its regular mains chargers it can take upto 4 hours to charge.
The MEGA Powered TORNADO USB Charger recharges the TORNADO Batteries in 90 minutes.
Quote is from TW website.
Definitely, do your research and shop around. I have seen these kits on sale for as low as $55 stateside, but I don't know if these are actual Joye products. I personally am a healthcabin.net fan, but I can see how going through customs can make you nervous.
Having a kit with two cones is nice, just in case one goes missing. Also, definitely try the low resistance atomizers out. Just make sure you don't let you cart go completely dry, or they can blow out easily.
Hope this helps.