I was recommended the Spectra S1, which is generally well-regarded. I bought it on Qoo10 direct from Korea for the lower pricing. The downside is if it breaks down, you got to send it back to Korea for the warranty to work. And guess what, mine broke down after 8 months. I'm now using my friend's Spectra S1 which is more than a year old and still working fine. So, I guess it just depends on your luck. :P
Buy on Amazon