IDS/DDOS prevention hardware that doesnt cost $80,000+?

I'm wondering if there is such an animal out there? All of the ones I have seen are made for the multi-gigabit service provider there aren't any for the smaller mid-rangers out there. Can anyone suggest anything that we can put in place? The attacks we're seeing are just a huge influx of PPS not so much the amount of bandwidth. Offlist to keep chatter low is fine with me. Sorry to be a bother, -D