Scanning this thread, it seems that a vital conversation point isn't mentioned (apologies if it HAS been brought up)
I use amps for guitars, always, for recording. But, I have a studio with soundproofed rooms.
Valve amps sound fantastic when heated up and belting out some volume! Played quiet, and a lot of that thick tone is lost.
Monty - if you can't record an amp turned up high, and few people can at home, I would say that for most electric sounds a VST will do the job admirably, and only audiophiles will notice otherwise. Furthermore, it is a good investment and even if you DO end up buying an amp in future, the A/B comparisons you'll get will be a great learning experience.
Plus, options are always good for a recording set up
Just my $0.02
JNx