NONE. Choices of guitars in all shops are very limited. One fine example, Davis refuse to sell LTD MH-400 unless if they get large order for that particular model and they are supposed to be the local dealer for ESP. DUH!
i think you just need to do your homework and see where the best deals are. Ebay is good for used stuff, but beware of who you buy from. I've had money scammed from me and several other attempts. I've received goods that were broken or didn't fit into my guit.
There is no GST for goods with a declared value of under $400.