I personally am a big fan of pilates; its a lot harder than it looks on the exercise dvds! I enjoy it because it is a good workout, I can feel myself getting stronger, leaner and more flexible the more I do it, I dont feel like I am having a heart attack when I do it, it can be done in the privacy of my home and its finished in a certain amount of time. Mine is all over and done with in 30 mins- not too hard to squeeze into a busy shedule! My aunt was nearly twice my weight when she started her journey and she is now lighter than I am, and it was swimming that got the weight off her. Nothing special, she just went to the public pool 3 times a week and slowly built up the amount of laps she swam each time. It didnt happen over night, but she is now fit and most importantly, healthy. Dont be afraid of trying new things, and dont go too hard to start off, as you may injure yourself or kind of psyche yourself out of it when it hurts. I was 243 pounds when I started my journey 5 weeks ago. Since starting, I went from being someone who has never really done any running to someone who loves running! I can now run 2.5km in 20 mins on the elliptical! You will never know until you try, and you will be fine! Just start slowly and try a few different exercises to see what is the best fit for you
All the best, and please keep us posted on your journey!