Open skin1/customer/main/buy_now.tpl.
Find this line.
<td>{include file="submit_wo_js.tpl" value=$lng.lbl_buy_now}</td>
{/if}
Add this after it.
<td style="padding-left: 20px;"><a href="product.php?productid={$products[product].productid}&cat={$cat}&page={$navigation_p age}{if $featured eq 'Y'}&featured{/if}">{$lng.lbl_see_details}</a>
</td>