Agree with STX a 1000% unless you have unlimited resources. The PM will be good for 1 thing only, buying the implements separate will allow you to use them in several different fashions. A disk and seed spread will do what you want, then make a simple drag like most of the fellas here do, you will be out less than $1500. Going this route, all you loose is the small cultipacker on the PM.
You can use the broadcast seeder (PTO type) as a fertilizer spreader as well, just rinse the hell out of it afterwards and oil it when sitting for a long period.
You can go through Ag Credit and likely finance a tractor and the implements for a very good rate, my last ag loan for my small tractor was at 1%
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