Hi. I don't know what the VN"s are worth now but it's a definite keeper regardless of the offers.
If its your first GBB this would be my pecking order. Based on first gun, cost, performance, parts availability, shits and giggles.
1) A huge shout out to the GHK G5
2) Fast mover on the field and the forums TM Mp7
3) NS2 changed a lot in GBB, everyone has to own a MP9
4) Any GHK AK variant
All of these are sub £500 bundles, they will run well if looked after. The KWA MP9 mags were scarce for some years but now they are a plenty. I highly recommend the G5 on performance and cost, just watch for a cracked receiver left side just rear of the back pin. A simple epoxy fill will last for years.
All my electric guns have an inch of dust on them