Hey if it works it works and that is the bottom line. With musical instruments the musicianship is way more important than the technology when it comes down to how good it sounds. Plenty of hit records have been made using much older gear and those records still sound good.

And as for your computer it's not like you are trying to use an 8Mhz PC XT Only last year I retired a second PC that was a 233Mhz Pentium II cos it had just kept on working fine for the applications it was being used for.