Damnit! I was in a bit of a hurry as I was posting though. And there is no downside to being a giant taco that craps ice cream.

Weather control:

Upside: Can stop hurricanes and other severe storms from destroying homes.

Downside: Can't always predict if the storm will become dangerous and using the ability in battle can cause collateral damage.

Next power: Frost breath.

 

Frost breath

Upside
Never have to worry about warm beer again.

Downside
You're not going to do a lot of kissing.

Let's do a personal favorite: incredible luck.

 

Upside - clean out Vegas, win the lottery

Downside - too much of a good thing?

Let's see...incredible eyesight

 

Upside: You can spot hot chicks from a mile away

downside: Those chicks aren't so hot anymore at 2 feet away

Let's see....

Shapeshifting(without changing mass, no moving parts, t-1000 style)

 

Shapeshifting

Pros: Look like you have allways wanted! never get caut doing anything agenst the law.

Cons: No mass-shifting, you will not be any lighter/stronger/smarter, or in better shape than you are noramly.

All right next power: a Power Ring (from what ever Corps you chose)!

 

Power ring

Advantages: Ability to manifest anything you desire, especially if you can get creative with it.

Disadvantages: Many will seek to obtain your power and any enemies the previous owner had may seek you out.

Next power: Heat vision.

 

Melting children's ice creams.

Upisde: Save money on cooking appliances.

Downside: May tend to burn holes through Playbuh...er...New scientist.

Next power: Ice Breath.

 

UPSIDE
You can have many popsicles.

DOWNSIDE
You may not like popsicles, and you may freeze a lot of stuff around you

Next power: X-ray Vision

 

X-ray vision has already been called.

You fail...

 

ok, retractable talons

 

UPSIDE:

-Always helpful when you don't have a can-opener around!
-Being able to cut through stuff and cut the baddies down to size.

DOWNSIDE:

-Always being used as "that can-opener guy" and nothing more. 
-Possibly accidentally hurting someone you love or someone you're giving some lovin' to (See: X-Men the movie)

NEXT POWAH!

Since we've already done Super-strength, Flight, & Energy blasts...Let's all take those into account when using the...

POWERED ARMOR!

 

Upside: It's armor. Bulletproof, badass, laster,s flight, the whole 9 yards

downside: The maintence. Oil changes, gas, washing, waxing...

Next power, unbreakable skin

 

Upside:
You can never be cut, scratched, or shot. You would have an excellent Secret Identity job of being a Stuntman.

Downside:
You'd still feel the pain of being cut, scratched, or shot. Blunt damage could still cause you internal injuries.

Next power, Incredible Magical abillities.

 

Upside: Doing practically anything you can.

Downside: Demons from other realms constantly trying to kill you.

Nest power: shooting webbing out your butt.

 

Upside
Being able to swing around town like a spider.
You always have rope if you need it.

Downside
You're shooting webbing out of your butt.

The ability to turn anything into ham by staring at it.

 

Positives & Negatives: Um... only negatives here. I don't like ham. Well, I guess if a robber tried to break into our house I could turn him into ham, but other than that...

Next power: Ability to create duplicates of yourself

 

Positives: Could win any fight no matter how outmatched you are, could do many multiple tasks at once and procrastinating would no longer be an issue, could play some REALLY awesome, intricate and confusing pranks.

Negatives: It could get very confusing...and possibly end up like the episode of The Batman "The Everywhere Man" where each consecutive copy is more and more disobedient.

Wow, why have powers already been repeated? We haven't even gone through a tenth of Superman's arsenal.

Next power: Super-ventriloquism.

 

Positives: Could really confuse enemies and play some awesome pranks on people!

Negatives: I'd eventually get slapped after talking right behind someone on the potty for the umpteenth time!

Next Power: The power to give anyone instant orgasms. Yes, I did write that.

 

The power to give anyone instant orgasms.
Pros: You could get any woman to love you. (You could make a fortune as a sex therapist.)
Cons: Every gal would want you all to herself so you'd have a lot of stalkers. Also if you can't control it when you sleep you could cause some serious accidents.

Next power: Super fast healing.

 

Upside: Impulsively thrust yourself into any situation without fear of permanent injury.

Downside: Chicks dig scars.

Next power: Alchemy