Skied at Shawnee over February break one day with my kids, ages 8 - 10. Conditions were pretty good on lower mountain, quite icy on the top. My kids, who have skied several years now found Shawnee's intermediate terrain a bit more difficult than other mountains we have skied at such as Saddleback, Sunday River, Sugarloaf and Gunstock. There isn't much decent beginner/green terrrain.
Lines in lifts were pretty reasonable for a holiday. Found the base lodge to be awful - VERY dirty, EXTREMELY crowded, lots of fairly rude teen boys using bad language and with even worse manners. After 3pm it got less crowded and more reasonable, but it was still very dirty at that point. The lodge conditions would not make me want to return soon with my children.
Prices for tickets are not too bad. The only way I would consider going back is for night skiing when the lodge has some room.