the problem with maxis is responsiveness of the service...latency, stability still leaves much to be desired..

public wifi can be turned off from the router.
Torrent seems okay, but some users face issue on the performance on direct download sites, such as rapidshare.
Notice that youtube viewing isnt too smooth either,

From one of the forumers here, seems maxis is doing some maintenance work till end of the month, but don't know if it will solve all these issues. If you are very particular about stability and responsiveness, then I suggest not to switch just yet until the problems are resolved.