can some one advise me what should i buy as i havenít got good idea which camcorder would be better for me

i am looking to bu hdd one ,are they any good?
these are some camcorder that i am thinking about them 3@@@@&BV_EngineID=ccccadegdghjldfcflgceggdhhmdfnn. 0&page=Product&fm=null&sm=null&tm=null&sku=358060& category_oid=-24890

why the second camcorder is more expensive despite that it is older than the top link?