Upgrading wheels

[SILICONEKID345HP]

Is it worth upgrading my Shimarno R500 wheels ,I`m only a novice . The bike is a planet X carbon with a mix of Ultegra and a bit of 105 .

At my level is it worth it ?

[SILICONEKID345HP]

So which ones would you buy to make a noticeable difference,prefer to stay with Shimano. ?

[SILICONEKID345HP]

Thanks for your advice ,I might just plod on with what i have ..