I need advice. Should i blow up megaton on fallout 3

Think of it this way. If you blow up megaton you lose karma and cant help Moria finish her report. But you get more caps and a better room. If you don't blow up megaton and instead tell Lucas Sims (the sheriff) you can go with I'm to kill Mr.Burke and get some more weapons. Plus you gain karma. Then when you disarm the bomb you get less money but you can help Moria finish her report and get plenty rewards that way. Both ways have their ups and downs but I think you shouldn't blow it up, the go to Tenpenny tower and kill Allistair Mr.Tenpenny and gain some karma. I hope I helped answer your question no matter what you choose.