Garmin Approach S10 Lightweight GPS Golf Watch, Granite Blue w/ Extended Warranty worth to buy? Thanks for it if those of you who have purchased Garmin Approach S10 Lightweight GPS Golf Watch, Granite Blue w/ Extended Warranty could share about what you think of the product. I would love any extra info, as it is quite pricey as $154.98 and I just want to know it is good before paying for it.