I have no experience with that particular gun. However, some thoughts in general:
First, the top strap is of limited value in preventing the damage most often encountered with brass framed revolvers: deforming the recoil shield. The recoil shield takes the recoil impact load from the cylinder on each shot. Being made of brass it is malleable and can be deformed by repeated battering from the cylinder. Since the cylinder is free to recoil into the shield along the base pin, the top strap has no means of mitigating this impact. The strap can help prevent 'stretching', or elongating, the frame, but recoil shield damage can still occur.
This damage occurs because of repeated firing with heavy powder loads, usually full or nearly full chamber loads. For a brass framed gun such loads are essentially abuse to the frame. The gun will last a very long time, probably longer than the owner if powder loads are kept to a moderate level (and moderate loads are almost always the most accurate). In this gun I'd avoid anything over 25 grains of fffg real black powder, or the equivalent of that amount in substitutes or other granulations.
With regard to the kit, most revolver kits simply require minor wood and metal finishing skills. They do not present any real challenge in terms of building skills. That can be either good or bad depending on what you want. The enjoyment of building your own weapon is present, but the challenge is minimal. Also, there is no economic benefit as the kit costs are close to the assembled guns and by the time you buy tools and supplies you can often exceed the assembled price.
Also, I'd echo Reb's comment about the Dremel. The joy in building a kit is the handwork involved. Using a Dremel to speed things up suggests that the fun of building the kit is not the motivation. Plus, it's somewhat like using a computer - you just make mistakes faster, sometimes so fast you can't recover. I'd ditch the Dremel.
