I bought my Strike kit back in February of this year, and I gig with it at least twice a month. I transport the module between the Strike and my older DM10 kit, that I keep at our bandleader's house for practice.
First of all, I will say that I definitely love this kit. There have been different issues that people have had, and one of the most widespread quirks, in my opinion, seems to be the hi-hat. The stock controller can be a bit of a pain to get dialed in. There have been firmware updates that have made it exponentially better, though. You can get a replacement spring for yours if you get the older version. That is supposed to make even more improvements.
I have tried the GoEdrum hi-hat controller, with better results, and I even tried a Zildjian Gen16 A/E solution. That worked pretty well, except it was a little of a challenge getting the mix JUST right from show to show. I just bought a Roland VH-11 hi-hat to see how that works, and I think I've found MY solution for that issue. It gets its first on-stage use tomorrow night. The Strike hi-hat pad itself can leave a little to be desired in terms of responsiveness, at least I think so, so the Roland was a plus for me. For me, the playability falls in between stock and the the Gen16, closer to the Gen16.
Another issue that I've seen people talk about is the center plate in (mainly) the snare. It will crack in certain instances. Some people have said they have it happen, while others never do. I've (so far) been one of the fortunate ones to have not had it happen to me. If you're still covered under warranty, it's not hard to get a replacement pad, but there are DIY solutions outlined in various places that should keep you going if you're not. I'm not a powerhouse player, but there are times that I know I hit a little harder than normal. I try to inspect my internals with a flashlight every so often, just in case.
I DID have to have my module replaced a couple months in. It was doing a quirky thing where I'd turn it on and it would be anywhere from 2 to 5 to sometimes 10 or 15 minutes before I'd get sound out of my main outputs. Alesis was wonderful in this case. I talked back and forth with a rep via email, and, even though we couldn't pinpoint a cause and determine 100% that it was a fault in my module and not some of my external sound equipment, they had me send it in. I had a brand new one as a replacement within a couple of days. They made sure all of this took place in a 2-week break my band was in so that I didn't have to go without for a gig.
Sorry for the long-windedness of this post. I just wanted to share the entirety of my experience with the kit. As a DM10 owner, I was already happy with my Alesis experience. When I made my upgrade, I considered the Strike, the Pearl Mimic Pro for a module-only upgrade, and a couple of the higher-end Roland modules, again for a module-only switch. The enormous pads and the overall look of the Strike tipped me over that line, and I haven't looked back since. The module is very versatile, and the built-in sampler is a HUGE plus for me. The rack is very sturdy, and the kit, at least for me, travels very well. Not to mention the fact that it gets people talking. I've had a few admirers at just about every show I've taken it to.
I bought mine from Sweetwater in order to get the 2-year coverage rather than just the 1-year from Alesis. It's a little added peace of mind for me since I use it on the road a lot. But with all the great owners out there that are more than willing to help in times of frustration, you enter into a community that, to me, is of even more value than the kit itself.
As far as like vs. don't like, for me, there are little quirks, maybe even annoyances. However, I've had that with any other kit I've owned. I don't think there's any time I've said I don't like something with this one, though. My outlook has been more like, "ok, this is what it is, how can I improve it to work better for me?"
Good luck in your adventure. I hope you have a great experience if you decide to go with the Strike!
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Shawn.