I used pods for years and really hate them.
I'd avoid the line 6 stuff, frankly. Theres much better for less.
Fun fact - modellers dont have their own sound (except arguably ones with valves in or other real tone generating circuitry). They're just small computers that run amp sim software. Its the software that creates the sound.
The line 6 toneport VSTs sound much the same as the pods for this reason.
There are better VSTs in software only form than the patches on a pod or toneport. Revalver comes to mind.
Youre better off skipping the middleman and just running a VST. Line your guitar into a suitable (hi-z equiped) interface, install the VST or stick it in a folder if its just a dll or 2, have your DAW (cubase, reaper, sonar etc) look in that folder to find VSTs, load the VST as an effect in a track, set that tracks input to the one you have your guitar plugged into, tweak input level and VST settings to taste and youre good to go.