I use a charcoal based smoker - the Weber Smokey Mountain
I don't mind the charcoal aspect of it and it does a great job at regulating the temps (this will be key regardless of type) .... to me the worst part of maintainence has nothing to do with the charcoal ... for me it's cleaning the grates, water pan, etc ... that is the hassle - the charcoal part is easy
I highly recommend the books by Bill & Cheryl Jamison - Smoke & Spice & Sublime Smoke are both worthwhile ... they are more recipes and are definitely geared towards low & slow cooking .... some really good standards in there as well as some other recipes to get the mind working on other stuff to whip up when the smoker is fired up (you can find a hundred pulled pork techniques online, but I never would of thought of trying the horseradish/taragon cheesey mashed potatoes which are very good)
The Paul Kirk Championship BBQ book will have more techniques and recipes where you crank up your temps for a little faster results (not high heat by any means though)
Most importantly, tinker, adjust and have fun