Leadwerks engine is more for C++ development. If you are comfortable with C++ you should compare Leadwerks to DarkGDK. I recommend one of these if you already understand C++ or would like to learn it for your career goals. It takes more effort to get started in such environments but the longterm benefits are worth the effort; since C++ is industry standard for DirectX game development. There is also DarkGDK.NET that can work with Visual C#, and Visual Basic; with these there is limited plugin support and the community and support for this product is not spectacular; however again they contain enough commands to produce any game, you get alot of additional Microsoft commands to work with databases, lists and network connections.
DBPRO is derived from the BASIC language, which features commands and expressions that form plain english instructions with spaces between words and long informative names. It is capable of building any type of game you can think of and has many plugins to help speed up your work. The community for this product is quite large, many the guys here are new to games development so I'd say it is a more comfortable way to learn.
