A Modern Maid gas range/oven is definitely not a bad choice, but since electric ranges and ovens are more common, it can be difficult to find parts if necessary.
In general, many people prefer gas ranges to electric ranges as they allow for better heat control. However, bakers generally like electric or convection ovens for quicker and more even baking results.
Modern Maid is now owned by the Maytag Company. Maytag does not manufacture this brand anymore so the only way to get one is to buy a used one. The main concern with buying one is that the parts might be hard to come by as they are vintage parts.