Judging from what it did last year going into ASCO (http://finance.yahoo.com/q/hp?s=HNAB.OB&a=04&b=29&c=2009&d=05&e=9&f=2009&g=d), I'd like to see them break the 52wk high of $1 since they are so close to an NDA filing... But the most conservative price would probably be ~.60-.70.