I've just come to a similar conclusion.... and I think it's down to wanting inspiration. I often think a new guitar or bass is going to inspire me to different and/or better playing, but I've just found out that it's a temporary feeling.
So... I've re-strung my strat with heavy-bottom 10's and down-tuned to Eb, and I'm loving playing an learning (and re-learning) loads of Stevie Ray Vaughan songs.
GAS has gone.