You could get a lightweight tarp and add a bug shelter (e.g. MLD Serenity, Alpinlite bug tent, BearPaw PyraNet, etc). Depending on how much you're willing to spend, you could go whole-hog and get an HMG Echo (pricey, but quite nice, and also versatile). And just to add more choices, there's MLD's Cricket, or Trailstar + bug net, and ZPacks has a pretty slick-looking setup. Of course, he's almost always back-ordered, as is MLD... which is the trade-off for custom work in a lot of cases. I don't know how John at Bear Paw does it.
Which reminds me, BearPaw does make shelter systems that might fit your requirements... and they do a lot of custom work. I ordered a Pyra Net from him right before Memorial Day weekend, and he sent me a shipment notice the following Tuesday. For custom work, that's impressive turnaround, even it hadn't been on a holiday weekend.