So you just reached Pro tier and ready to upgrade your clubs with limited funds.
Check out this combination for 474 cr ( just under 5 bucks) Your beginner putter has a very slow meter and you can stick with it for long time to come
If you'd going from starter balls and free stuff, you will be amazed how this club set will help you shave strokes off your avg.
Wedge 110 cr
http://wgt.com/proshop/product.aspx?i=9910fa7a-cd6a-4a77-95da-5dce7493d263&name=Z_Satin_TP_60_Wedge_L14&c=Wedges
Irons49 cr
http://wgt.com/proshop/product.aspx?i=2823aa87-2aa2-4287-903a-4d5b7d31ebe3&name=Starter_Plus_Iron_Set_Steel_L5&c=Irons
Driver Pro tier 250cr
http://wgt.com/proshop/product.aspx?i=a2fb3778-7971-4194-825c-112295c24dad&name=Pro_95_Driver_Pro&c=Drivers
BallsTour SD (they arent unlimited and will wear out, on the plus side, they come with added distance and added spin to help you stick the greens) 65cr
http://wgt.com/proshop/product.aspx?i=d71d7153-2c33-4535-b622-a0e02e6491db&name=3_Pack_of_WGT_Tour-SD_Balls&b=e0948fff-d346-4d54-9035-3fe5ac6286ed&c=Balls
Some options
If credits an issue, putter is the last thing I'd upgrade, but if you do, this is a mighty good one http://wgt.com/proshop/product.aspx?i=49274419-808a-4c8d-a2e0-5ccfbba7278c&name=TaylorMade_Ghost_Spider_Putter_L35&c=Putters
To slow your meter down, there are a variety of balls like this one
http://wgt.com/proshop/product.aspx?i=7079214c-bf70-41d3-b2da-51715b27aae0&name=3_Pack_of_WGT_GI3-S_Balls&b=e0948fff-d346-4d54-9035-3fe5ac6286ed&c=Balls
I play just about the same setup you have here. Irons I went with the Burner graphite and a callaway ball. I bought the 400cr ghost and I want my 400cr back. Before I buy another putter I will rent it first. I am going to try th GI3-s balls though.