any specific model that you can recommend?
Nothing specific comes to mind. As far as levers go, you can go with normal length or shorty levers. Depends on if you use all fingers when clutching and braking or just 1 or 2. Both normal and shorty levers can be found with a folding option to. If you take a spill the levers will fold up so they don't get damaged.
If you are changing out the tanks, the rear is easy as it just bolts in place and plugs into the hose. The front is tricky because it is an integrated reservoir. So you are left with trying to find someone that makes a compatible tank or changing out the front master cylinder and tank as a whole. With the latter option you want to make sure the aftermarket master cylinder is pushing the same amount or more fluid through. You will have to get used to the new braking limits if you have one that is pushing more fluid through. If it pushes less fluid through than the stock one, you run the risk of not getting enough pressure to the brakes even with a full length pull on the brake lever. Below are some master cylinder options:
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or
Easy route, find some compatible levers you like and change out the tank cap with either the one from Puig or Light Tech.