Hi Shudarsana
I can offer you an update on the job climate here in Australia, remembering it is a large country, and I am only observing what is happening in my local area, the south-west.
My family has a large apple growing operation in Manjimup. This year, we have had an unprecedented number of job applications - at least three times as many as we have need for. We have been discussing the possible reasons behind this.
I believe the backpacker network has probably passed around information that Manjimup is a good place for apple and vegetable harvest work, and we have therefore seen a greater influx of job hopefuls. Further, now that many backpackers want a second working holiday visa, there is even more interest in harvest work. Some applicants this year were quite desperate, having left their "three months" harvest work to the last possible time. My advice on this - if you're set on getting a 2nd visa, do your 3 months harvest work straight away, as soon as you get here.
However, I don't think you should be discouraged about coming and getting work. Anyone who really wants work should find a job. Show yourself to be someone motivated, committed, and ready to work hard. Be prepared to travel to different harvest regions. Do some research on harvest times for different produce, find some employer contacts off the web if possible, and contact them directly. If they don't have work, they might take your contact details. If they do, follow up, or ask them when you should call in. Remember, you might be placed on a list of 20 or more. Make yourself stand out. Alternatively, go through a job network site. Personally, I'm Australian and I have never got a job this way. I have got jobs (including harvest/hospitality jobs) primarily through networking and finding ways to contact the person who can decide to hire you on the spot.
I hope this has been of assistance.
Lucinda