The break in application compatibility when moving from S60 2nd Edition to 3rd Edition, much publicised and indeed criticised from some corners, is, we believe, a good thing in the long run. The only real downside is that existing S60 applications won’t run as-is, while there are the advantages of being based on Symbian OS 9, with its extra security (no need to even think about malware from here on in, despite what some security companies might say…) and single-chip architecture (which means cheaper and more reliable devices – in theory, anyway).
Making the move to a S60 3rd Edition device does therefore mean some changes in the third party software you’ll need to install. Already the application catalog for S60 3rd Edition is looking moderately healthy, but the AAS team have been using the platform intensively for six months now and would like to present what we consider ‘essentials’. These applications are the cream of the crop and are recommended as stable, efficiently-written and relevant to everybody. If you try out no other software for your new smartphone, try these …
Source: All About Symbian
Check out their comprehensive list. I have a few qualms about it, but then again I should just shut my mouth and make my own list 🙂 Good job Steve