The advice you're hearing is right.
The longer you can wait, the more you get for the same money, or the same for less, or even more for less.
It's always that way in the computer world.
(For example, it's a ***LONG*** time ago, but look at the Macintosh IIfx. It was a 40MHz 68030 w/4MB of RAM and a 40-160MB hard drive. Price? $8970-$10,970 US, depending on configuration.)
You don't have to wait 10 years, of course. But waiting a month or two might be a good idea.
Of course, if you always wait, you'll never have...
Whenever you buy, stop looking at models and prices. It's only frustrating. Just enjoy what you get!