Poll: New Dual Land Cycle

The new set (Zendikar) has a cycle of Allied-color dual lands that do this:
This comes into play tapped. When this comes into play, gain 1 life.
T: Add R or B to your mana pool.
http://www.wizards.com/Magic/Magazine/A ... ly/boab/56
So it's obviously strictly better then Urborg Volcan and friends. So should they replace them? You decide!
Incidentally, there is also a cycle of Enemy Fetchlands. These will be taking up (and deserving) 5 new slots.
This comes into play tapped. When this comes into play, gain 1 life.
T: Add R or B to your mana pool.
http://www.wizards.com/Magic/Magazine/A ... ly/boab/56
So it's obviously strictly better then Urborg Volcan and friends. So should they replace them? You decide!
Incidentally, there is also a cycle of Enemy Fetchlands. These will be taking up (and deserving) 5 new slots.