Not yet, I'm new like you and still learning. I've literally watched double digit hours worth of video and read for another 10 or 20 hours just absorbing all that DIY has to offer. I don't have the money to just spend $96 on a Cree CD bin cob, especially when the Vero 29 can do almost the identical job for $36. It takes awhile to understand everything and then go source stuff.
I did find some heatsink material on ebay
HERE
It's $18 and you'd have to add a fan to it. I can find decent cpu coolers that come with the fan for $10-$20 though so I think I'll go that way. Something like
THIS
Let me know if you find any deals. I'm thinking of going with the Vero 29's since it's by far the most affordable setup we can get in Canada, at least....the most affordable I've seen so far.