We are a small specialist special school for disabled students. We require a picoscope which I believe has an inbuilt signal generator? but I am not sure which model to choose. Our old signal generator goes up to 5Mhrz. We are keen to purchase a newer model oscilliscope that can be viewed on the computer linked overhead projector. Will the smallest model 2203 be sufficient? Is there any chance of seeing one before we commit to buying it?