Replying to Buying my new skis will they be too short??

Hi im looking to buy some new skis im 5'9" and weigh about 130lbs and wanted to get some more opinions basically my cousin has a great deal on some atomic punx 2009/2010's but they are super short 164's but they will only cost me about $120 with bindings and i usually ski shorter skis aswell so i dont know if i should take it because im a bit short on money and it would help buying these anyone have any ideas if its a bad idea or not??? need to know soonish

Thanks