2 places to recommend in Funan (as i trust funan more then SLS)
Memory World, they sell Transcend Class10 16gb at 39.90, couldn't remember the rest of the pricing, so just gauge or visit them.
and on just a level lower, theres a computer acces shop whose name I have forgotten, they sell Sandisk Class6 16gb at 37.90.
Personally I regret getting Transcend because I only saw the Sandisk later (somehow I like Sandisk more haha)
Conclusion, just get anything that works as long within budget, you shiok and compatible with your system. Like you I'm on a budget, that's why I hope you could save some money like me.
Rather then buying from high end places like Challenger etc haha.
Disclaimer: I am just a normal consumer with no ties or whatsoever with the brands and shops mentioned above.