1) Do you mean one remote subnet is via one VPN and another via a different one, Yes.
2) Yes, to a certain extent.
Technical Specifications
Processor: 433-MHz Intel Celeron Processor
Random access memory: 32 MB or 64 MB of SDRAM
Flash memory: 16 MB
Cache: 128 KB level 2 at 433 MHz
System bus: Single 32-bit, 33-MHz PCI
But that does not mean that you can get a clone PC and run the Cisco code on it.
3) No