Iliushechkina & Maisuradze already were 3rd at Russian Nationals, 5th at Europeans and 4th at Cup of Russia. I think that's pretty damn good for a team who hasn't even been fully in the senior ranks. They've landed the 3T several times. Sure, Lubov's jumps are a weakness but I'm sure their coach (who clearly is doing something right if her two teams are 1-2 at JW, and she also coached Totmianina/Marinin for a long time) will work on that. Maisuradze hasn't missed a jump all season, if I remember correctly.
Martiusheva is 13 and this is her first year of international competition, ever. They need to add tougher elements, but they are already quite good.
Pairs is a discipline in which immediate success is very rare. Very few pairs have immediate success from Juniors to Seniors - hell, most even don't stay together. I'm sure that these teams know that and they and their coaches are more looking forward to 2014.