Yeah bud for sure. This might be a bit complicated so I don't know if you want this type, but these are some good ones I learned. I find these easier to work with than videos but I'll keep searching for ya.
Well there are preferences. Whatever you can do in Photoshop you can do in Illustrator and viseversa. Your best bet would be to go to www.good-tutorials.com and find an easy tutorial for yourself and work your way up to the hard stuff.
i def like illustrator better then photoshop i find the pens a little easier to deal with and different stuff like that. its worth it having both programs and once you get comfortable with illustrator you wont look back to use phtoshop with its pen. i used good-tutorials.com a lot probably one of the better sites i found