Glad you enjoyed the article!
You certainly didn't waste money on your 64-Bit though, as you still get killer performance. If you compared benchmarks from your CPU, to 32-Bit CPU's of the same speed, you would see the performance differences.
Once Longhorn is released, hopefully we will get even more punch from our 64-Bit CPU's, since by that time there *should* be more 64-Bit software available.
Can't wait to see how well the 64-Bit Solitaire works