I know what you mean--there's a lot of satisfaction in having a dart stick to whatever you're shooting at. Unfortunately, Nerf has mostly moved their line towards these elite darts, which, like their predecessors the streamline darts, are more "streamlined" to yield longer distances, and, more importantly, work in "clips" (magazines being the more proper term, but Nerf uses the term "clips"), which allows for higher capacity and easier reloading. The larger tips of the Suction Darts (and Nerf's other "sticky" darts, the velcro Dart Tag Tagger Darts) make them unusable in clips; Dart Tag blasters like the Speedload and the Quick 16, which have integrated magazines, are very prone to jamming, demonstrating the problem with non-streamlined darts.
The Elite darts don't stick to walls, unfortunately. I did buy one of those "sticky" target boards made for Airsoft guns, and they work well enough to have the Elite darts stick to them for target practice.
Moreover, some Elite blasters, namely, the Strongarm (the one in your link), the Triad, the Firestrike, and the Rough Cut (in other words, the Elite blasters that don't use clips) *can* use Nerf's suction darts. So what you can do is buy the Strongarm (or one of the blasters I mentioned), and buy a pack of suction darts (about $5 for a pack of 16, $11 for 36), and have just as much fun as you used to.