Upgrading processor/RAM

[tizim]

I recently built a computer with an Athlon 3000+ Venice processor and 1GB of Crucial Valueselect RAM. However, I'm datamining 20-30 tables at once with PT importing and PokerAce often running, and my CPU usage is usually at 100% because of PT. Obviously, things on my computer get quite hectic, especially when PT imports. Everything lags, and some programs freeze up.

If I upgraded to a 3500+ or 3800+ with 2GB of RAM, would I notice increased performance (ie. computer lags less when PT is importing, PT imports are quicker, PokerAce stats show up more quickly)?