Rich,
If you are cutting smaller wood in the 20inch and under size the 025 is very fine saw with a 16 inch bar and .325RS chain. The 025 is a diamond in the rough in the stihl line. Unlike its sister saws(017, 018, 029, 031, 039)the 025 does not seem to be plagued with the problems of poor performance, extreme weight or both. It is a very fine piece of equipment for your use.
You can also look at a used 026 on Ebay for the same price or less. Just be careful when choosing your seller and equipment.
With regards to idling problems .....mine has problems idling also. Perhaps StihlTech will read this and make a few suggestions on how to correct the problem.
007