okay, my kaplan online class is going to expire, and i'll need some more practice test/study materials. i ordered topscore on amazon but it hasn't even been shipped yet, and it seems like i'm not going to get it in time. what other materials should i look into getting? is there another place i can order topscore? is topscore even good? what do people find most helpful? i've been using kaplan, and i really need new materials! thank youuu! any help/suggestions are GREATLY appreciated!