I would go with the shimano for any real trail riding. I don't think the specialized will be able to hold up. It looks almost like a spin class shoe. Personally, I'd just go ahead and do clipless. You can get a nice shoe and pedal combo from pricepoint.com.
http://www.pricepoint.com/detail/14...te-Excel-Mtn-Shoes-w_-Wellgo-Wam-M3-Pedal.htm
This is an inexpensive choice.
http://www.pricepoint.com/detail/14...te-Excel-Mtn-Shoes-w_-Wellgo-Wam-M3-Pedal.htm
This is an inexpensive choice.