Step 1: Serm
A great region with many flat area to build and all 3 biomes close together.
Step 2: Dropthebass
Epic mountainous environment with many holes in the mountains.
Step 3: Ohman
Spawning on and island it is a great survival island seed although there is land nearby.
Step 4: Gimmeabreak
An awesome seed with flats, hills and water all close together surrounded by all three biomes.
Step 5: Ikred
An epic big island with plenty resources.