well what i have noticed is that transplanting is not necesarry. some will definately argue with this one. since i am only going to veg for a couple weeks it would be pointless to have them in 1gal. buckets for a week and then transplant them. in my opinion, it is a waste of soil, time, and effort to go from clones to small pot, to large pot. this is only IF YOU HAVE ONE ROOM. if you have a seperate veg room it is somtimes very legitimate to have smaller pots so you can fit more in but is not my case right now.
Alot of growers choose to transplant right before they start flowering but if their plants are in shock from the transplant it will effect the bud production.
By transplanting straight into the soil my plants are going to spend their life in i wont be affecting the roots by transplanting and i can switch to flowering sooner. this is why i skip the preliminary transplant to a smaller pot before going to a bigger one. comments aprecciated.